The Fire-Boltt INVINCIBLE BSW020 Bluetooth Calling Smartwatchh battery can last for up to 7 days on a single charge.
Naturally, the more notifications you have enabled, the quicker the battery will drain.
Due to this, you need to charge your device frequently.
Made of pure copper wire with no heat, safe and durable design.
Faster transmission and easy to carry.
Total length: Approx. 50 cm
Material: TPE soft wire Most useful for the lost charger.
Quality checked charger for the happiest experience.
Venkatesan (verified owner) –
Good nice