Fire-Boltt Thunder vs Fire-Boltt Invincible comparison

Show Only Differences Highlight Differences	Fire-Boltt Thunder	Fire-Boltt Invincible
key specs
Strap Colour	Black, Gold, Grey	Black
Display Size	33mm	34mm
Strap Material	Silicone	-
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Compatible OS	-	Android, iOS
general
Brand	Fire-Boltt	Fire-Boltt
Model	Thunder	Invincible
Release date	March 11, 2022	October 1, 2021
Model Number	BSW028	BSW020
Model Name	Thunder	Invincible
Dial Shape	Round	Round
Strap Colour	Black, Gold, Grey	Black
Strap Material	Silicone	-
Size	Regular	Regular
Water Resistant	IP68	IP67
Ideal For	Unisex	Unisex
Touchscreen	-	Yes
dimensions
Width	46	45
Height	46	45
Thickness	12	11
Weight (g)	64.00	51.00
product details
Battery Life	10 days	7 days
Sensor	-	Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor
Compatible Device	-	Android, iPhone
Notification	-	Yes
Charge Time	-	2 hours
Charger Type	-	Magnetic
Stand By Time	-	15 days
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Bluetooth Version	5.0	5.0
Call Features	Bluetooth Calling	-
Bluetooth	-	Bluetooth
camera and display features
Display Resolution	360x360	454x454
Display Size	33mm	34mm
Display Type	AMOLED	AMOLED
Other Display Features	-	Always-On Display
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Number of Buttons	2	-
Other Fitness Features	Body Temperature, SpO2 Monitoring, Sleep Tracking,	100 sports modes
Calorie Count	-	Yes
Calendar	-	Yes
Language	-	English
Other Watch Functions	-	8GB storage, 100 watch faces, calculator, TWS Connect, Quick Dial, flashlight
platform and storage features
Compatible Operating System	-	Android, iOS
audio and video features
Speaker	-	Yes
Microphone	-	Yes
Other Multimedia Features	-	music control, camera control

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