Fire-Boltt INVINCIBLE BSW020 1.39 AMOLED 454x454 Bluetooth Calling Smartwatch ALWAYS ON, 100 Sports Modes, 100 Inbuilt Watch Faces & 8GB for 1500+ Songs, Play Music Without Phone on TWS, Spo2, Heart Tracking, AMOLED Navy S, Large bluetooth Make any space smarter -

Make any space smarter - This plug-in Echo device lets you use your voice to control compatible smart home devices and get help from Alexa in more places in your home

Bluetooth Frequency Response: 60Hz - 16kHz

Sensitivity (dB) 89dB±3dB

Analog connection with 3

Fire-Boltt INVINCIBLE BSW020 1.39 AMOLED 454x454 Bluetooth Calling Smartwatch ALWAYS ON, 100 Sports Modes, 100 Inbuilt Watch Faces & 8GB for 1500+ Songs, Play Music Without Phone on TWS, Spo2, Heart Tracking, AMOLED Navy S, Large bluetooth Make any space smarter -Fire Boltt INVINCIBLE BSW020 1. 39 AMOLED 454x454 Bluetooth Calling Smartwatch ALWAYS ON, 100 Sports Modes, 100 Inbuilt Watch Faces & 8GB for 1500+ Songs, Play Music Without Phone on TWS, Spo2, Heart Tracking, AMOLED Navy S, Large 1. 39 AMOLED DISPLAY : Fire Boltt Invincible has a premium 454*454 Pixel Resolution with 2. 5D Full Lamination. It has an ALWAYS ON Display How to activate Bluetooth Calling : To enable Bluetooth Calling Function, first