Specifications: Bluetooth Version: V5.0 Battery Capacity: 50mAh (Earphones) ; 800mAh (Charging Case) Bluetooth Chipset: AC6973 Earbud battery charge time: About 1.5 hours Charging case battery charge time: About 1.5 hours Total Battery Life： Up to 48 hours The battery in Earbuds： Up to 8...