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Detailed side-by-side comparison of specifications, features and latest prices in India.

Specification	Fastrack Limitless Glide X ₹1,299 Prices and availability may change on the seller's site View Price	Noise Colorfit Icon 2 ₹1,199 Prices and availability may change on the seller's site View Price	Noise Twist Round dial ₹1,499 Prices and availability may change on the seller's site View Price	boAt Lunar Discovery ₹1,499 Prices and availability may change on the seller's site View Price	Fire-Boltt Hunter 51.1mm ₹1,199 Prices and availability may change on the seller's site View Price	Fastrack Limitless FS2+ ₹1,599 Prices and availability may change on the seller's site View Price
General
In The Box	Fastrack Limitless Glide X Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	1 Smartwatch, 1 USB Magnetic Charging Cable, 1 User Manual, 1 Warranty Card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card
Model Name	Fastrack Limitless Glide X	Colorfit Icon 2	NoiseFit Twist	Lunar Discovery	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	Fastrack Limitless FS2+
Launch Date	27/07/2024	17/07/2022	12/01/2023	25/10/2024	25/05/2023	10/07/2024
Colors	Black, Blue, Red, Beige, Teal, Wine Red, Grey	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Charcoal Black, Wine Red, Copper Teal, Blue, Beige
Brand	Fastrack	Noise	Noise	BoAt	FireBoltt	Fastrack
Display
Display Size	1.83, 4.64	1.8, 4.57	1.38, 3.5	1.39, 3.53	2.01, 5.1	2.01, 5.1
Resolution	240, 286 pixels	240, 280 pixels	240, 240 pixels	240, 240 pixels	240, 296 pixels	320, 320 pixels
Panel Type	TFT LCD (UltraVU HD LCD technology)	LCD	TFT LCD with 246 PPI pixel density	TFT LCD (HD Display)	TFT LCD	TFT LCD UltraVU Display
Touch Type	Multi-touch capacitive touchscreen	Capacitive Touchscreen	Multi-touch capacitive touchscreen	MultiTouch	Capacitive Full Touch Screen (Single Touch)	Capacitive Touchscreen
Always-on Display	Yes	No	No	Not Specified	No	No
Brightness	450 nits peak brightness	500 nits	550 nits peak brightness	Not specified	450 nits	Not specified
Refresh Rate	Not specified	Not specified	Standard 60Hz (typical for TFT)	Not specified	Standard refresh rate (not specified)	Not specified
Color Gamut / HDR Support	Not specified	Not specified	Standard RGB color gamut	Not specified	Standard color gamut, no HDR support	Standard color gamut, no HDR support
Screen Protection	Panda Glass with anti-reflective coating	Not specified	Not specified	Not specified	3D Curved Glass, Scratch Resistant	Not specified
Body
Dimensions	45.2 x 37.2 x 11.34 mm	44.5 x 36.5 x 11 mm	45.7 x 52.2 x 11.9 mm	44.0 x 45.9 x 12.3 mm	51.3mm (Diameter) x 9.8mm (Thickness)	Not Specified
Weight	40-48 grams	53.5 grams	27.6 grams	45 g	36.8 grams	48 grams
Case Material	Polycarbonate	Zinc alloy and Polycarbonate	PC+ABS plastic with metal unibody appearance	Aluminum Alloy middle frame with plastic bottom	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	Polycarbonate
Front Protection	Panda Glass with anti-reflective properties	Not specified	Not specified	Standard glass	3D Curved Glass (Scratch Resistant)	Not specified
Strap / Bracelet Options	Silicon silicone straps with hook buckle closure	Silicone strap	22mm silicone with quick-release mechanism	Silicon and Metal straps available	Silicone (Removable and Replaceable)	Silicone
Removable / Replaceable Strap	Yes	Yes	Yes	Yes	Yes	No
Water Resistance	IP67	IP67	IP68 - Water resistant to 1.5m depth	IP67	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP68 (1.5m water resistance)
Dust Resistance	Yes, dust-proof design	IP67	IP68 - Dust resistant	IP67	IP67 rated	Yes, dust proof (IP68 certified)
Durability Certifications	Not specified	None mentioned	IP68 certified	Not Specified	IP67 certification, Scratch resistant	IP68 certified
Primary Controls	Touchscreen interface, single-press physical button, long-press for menu navigation	Touch Screen, 1x Side Button (Power/Wake)	Touch screen with gesture controls and wake-up gesture	Touch screen + Functional rotary crown (side button)	Touchscreen + Single Physical Button	Functional Crown (touch-sensitive), Touchscreen
Processor
Operating System	Proprietary OS	Proprietary OS	Proprietary Real-Time Operating System (RTOS)	Crest+ OS	Proprietary OS (Compatible with Android v5.0+ and iOS)	Android, iOS compatible
Chipset / SoC	Advanced proprietary ATS Chipset with optimized performance for zero lags and faster processing	Not specified	Not publicly disclosed	Not specified	Single Chip Architecture (not detailed)	Not Specified
CPU Cores & Clock Speed	Not Specified	Not specified	Not specified	Not specified	Not specified	Not Specified
GPU	Not Specified	Not specified	Not specified	Not specified	Not specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Yes, 24x7 continuous monitoring (Optical PPG sensor)	Yes (Optical PPG sensor)	Yes - 24/7 continuous optical PPG monitoring	Yes (Optical PPG sensor)	Yes (HX3600 / HRS3600 Optical PPG Sensor)	24x7 Heart Rate Monitoring
ECG	Not available	No	Not available	No	No ECG support	No ECG support
SpO₂ / Blood Oxygen	Yes, Spot-check monitoring	Yes	Yes - Blood oxygen saturation monitoring	Yes	Yes (Blood Oxygen Monitor)	SpO2 / Blood Oxygen Monitor with continuous monitoring
Skin Temperature Sensor	Not available	No	Not available	No	No Skin Temperature Sensor	Not mentioned
Sleep Tracking	Yes, with REM sleep tracking and automatic sleep detection	Yes	Yes - Automatic sleep detection with stage analysis	Yes (monitors sleep quality, hours slept)	Yes (Sleep Monitor)	Sleep Tracker with sleep quality analysis
Step Counter	Yes, with step counting accuracy	Yes	Yes - Pedometer with step tracking	Yes (Pedometer with daily step count)	Yes (Pedometer)	Pedometer / Step Counter
GPS	Connected GPS only	No (Connected GPS via smartphone)	Not available - Bluetooth only	Connected GPS	Yes (Built-in GPS)	Connected GPS (via smartphone only)
Accelerometer	Yes	Yes	Yes - Motion detection	Yes (G-sensor)	Yes (3-Axis Accelerometer)	Yes, Accelerometer sensor
Gyroscope	Not available	Not specified	Yes - Rotation sensing	Yes	Gyroscope mentioned in some sources but not confirmed	Not specified
Barometer	Not available	Not specified	Not available	No	Yes (Barometer sensor mentioned)	Not specified
Compass	Not Specified	Not specified	Not available	No	Compass functionality not clearly specified	Not specified
Other Sensors	N/A	Stress monitor, Breathing exercise tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress Monitor, Energy Score tracking	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking
Connectivity
Wi-Fi	Not available	No	Not available	No	No Wi-Fi	No Wi-Fi support
Bluetooth	Bluetooth 5.3 with extended range up to 10 meters	5.1	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.3	Bluetooth v5.0	Bluetooth 5.3
NFC	No	No	No	Yes	No	No
Cellular Connectivity	Smartphone-dependent (Wi-Fi only through paired device)	No	None - Bluetooth only	No	Wi-Fi Only (via paired smartphone)	Bluetooth calling only (SingleSync), no standalone cellular
ANT+	Not Specified	No	No	No	No	Not Specified
Battery
Capacity	280 mAh Lithium Polymer	260 mAh	300 mAh lithium-ion	260 mAh (Lithium Polymer)	280-300 mAh (sources vary)	280 mAh Lithium Polymer
Fast Charging Support	Yes	No	Not available	Yes	No Fast Charging	Yes - NitroFast Charging (10 min for 1 day use)
Estimated Runtime	Up to 5 days	4-7 days	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 7 days	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	Up to 7 days typical use, 10+ days standby
Charging Method	Magnetic charging pins	Magnetic charging cable	Proprietary magnetic pogo pins connector	Magnetic charging cable	USB Magnetic Charging Points (Wired)	Magnetic charging connector
Battery Saver Modes	N/A	Not specified	Brightness reduction, disable 24/7 HR monitoring, low power mode	DND mode, various power saving settings	Yes (Battery Saver Mode available)	Not mentioned
Memory & Storage
RAM	16 MB	Not specified	Not specified	Not Specified	Not specified (watch operates on proprietary OS)	Not officially specified
Internal Storage	16 MB	Not specified	Limited (cloud-based watch faces only)	Not Specified	Not specified	Not officially specified
Expandable Storage	Not expandable	No	Not available	Not Specified	Not applicable	Not applicable
Design & Comfort
Bezel Type	Fixed bezel	Fixed bezel	Fixed circular bezel with flat surface design	Fixed bezel	Fixed Bezel (Non-rotating)	Fixed, minimal bezel
Buttons / Crown	Single physical button on the right side	1x Side Button for power on/off and wake functions	No physical buttons - Touch controls only	1 functional crown/button	Single Physical Button	Functional Crown (touch and pressure sensitive)
Vibration Motor	Yes, with haptic feedback and vibration intensity settings	Yes	Yes - Linear haptic motor for haptic feedback	Yes	Yes (Haptic Vibration Motor)	Yes, haptic feedback vibration motor
Screen Glass Type	Panda Glass	Not specified	Standard protective glass (not specified)	Not specified	3D Curved Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Not available	No	Not available	Emergency SOS feature (press and hold to alert contacts)	No Fall Detection or SOS Calling	Emergency SOS capability available
Menstrual Cycle / Health Tracking	Not available	Yes	Yes - Female health tracking with cycle prediction	Not available	Yes (Physiological Cycle Reminder)	Women's Health Tracking with menstrual cycle tracking
Noise Monitoring	Not available	No	Not available	No	No Noise Monitoring	Not mentioned
Guided Breathing / Mindfulness Features	Breathing exercise app available within Fastrack Reflex World App	Yes (Breathing exercises, Stress measurement)	Yes - Breathe Practice guided breathing exercises	Yes (Breathe Training Mode / Relax Mode)	Yes (Breathe Monitor, Relaxation App)	Breathe Exercise feature
Audio & Voice
Built-in Speaker	Yes, with microphone for hands-free calling	Yes	Yes - For Bluetooth calling	Yes (HD speaker)	Yes (Dedicated HD Speaker)	Yes, built-in speaker
Microphone	Yes, dual microphone setup for clear voice communication	Yes	Yes - For Bluetooth calling	Yes (Built-in HD microphone)	Yes (Built-in Microphone for Bluetooth Calling)	Yes, high-quality microphone
Voice Assistant	AI Voice Assistant available via Fastrack Reflex World companion app	Yes	Not available	Yes	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Yes, AI Voice Assistant (compatible with Alexa)
Bluetooth Audio Output	Yes, Bluetooth audio output for calls and music playback	No	Not available - No music streaming	Yes	Yes (Bluetooth Audio Output via connected phone)	Yes, via Bluetooth headphones
Notifications & Controls
Notification Support	Call alerts, SMS notifications, App notifications, Social media alerts	Yes	Yes - Call alerts, SMS alerts, app notifications with preview	Call Alerts, SMS/Messaging Alerts, App Notifications	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts
Quick Reply Options	Predefined quick reply templates available	Predefined messages	Yes - Predefined quick reply messages only	Predefined quick replies available	Predefined Messages and Voice Reply	Predefined Quick Replies (Android only)
Music Control / Playback	Yes - Play/Pause, Volume Control, Music player app integration	Remote music control (Play/Pause, Volume, Track control)	Yes - Remote phone music control (play/pause, volume, track skip)	Yes (Play/Pause, Volume Control, Track navigation)	Yes (Play/Pause, Volume Control, Next/Previous Track)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control
Find My Phone	Yes, Find My Phone feature available	Yes	Yes - Locate paired smartphone	Yes	Yes (Find My Phone Feature)	Yes, Find My Phone feature
Remote Camera Shutter	Yes, remote camera shutter control via smartwatch	Yes	Yes - Remote camera trigger for photos	Yes	Yes (Remote Camera Control)	Yes, Camera Control feature
Security
Fingerprint Sensor	No	No	No	No	No	Not Specified
Face Unlock	No	No	No	No	No	Not Specified
NFC Payment Security	Not available	No	Not available	No	No NFC, No Payment Security	No NFC support
Find My Watch	Not available	Yes (via NoiseFit companion app)	Not available	Yes (via app)	Yes (Find My Watch Feature)	Not explicitly mentioned
Ports & Accessories
Charging Connector Type	Magnetic pins	Magnetic charging pins	Proprietary magnetic pogo pins connector	Magnetic USB charging cable	USB Magnetic Charging Points	Magnetic charging connector (proprietary)
Optional Docks / Stands	None specified	Not specified	None mentioned	Not included	Not specified	None mentioned
Bundled Extras	Extra silicon strap color variants; magnetic charging cable	Not Specified	Magnetic charging cable, user manual, warranty card	Magnetic charging cable, User manual, Warranty QR card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Quick Start Guide, Warranty Card, Magnetic Charging Cable
Software & Apps
App Store Availability	N/A	No	Cloud-based proprietary store via NoiseFit app	Not Supported	Limited third-party app support (proprietary ecosystem)	Fastrack Smart World App (Google Play compatible)
Customization Options	100+ customizable watch faces, theme personalization, layout options	100+ cloud-based watch faces	100+ cloud-based watch faces with customization through NoiseFit app	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator
Companion App	Fastrack Reflex World App	NoiseFit (for iOS) / NoiseFit Track (for Android)	NoiseFit App - Health tracking, notifications, watch face management	boAt Crest App (Android 7.0+, iOS 14.0+)	Fire-Boltt Health App (Android & iOS)	Fastrack Smart World App (formerly Fastrack Reflex World App)
OTA Updates	Yes	Yes	Yes - OTA firmware updates available	Yes (via companion app)	Yes (Over-the-Air Updates Available)	Yes, over-the-air updates available
Pre-installed Apps	N/A	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)	Noise Health Suite, Breathe Practice, Female Health Tracker, Stress Monitor, Sleep Monitor, Activity Tracker, 100+ Sports Modes, Calculator, Weather, Reminders, Alarm, Timer, Stopwatch, World Clock	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	120+ Sports Modes, Heart Rate Monitor, Sleep Tracker, SpO2 Monitor, Weather App, Alarm, Stopwatch, Timer, Calculator, Camera Control, Music Player, AI Voice Assistant, Menstrual Cycle Tracker, Google Fit Integration	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor