Description Specification: Brand: Awei Bluetooth version: Bluetooth 5.1 Battery capacity: 50mAh*2 Charging case capacity: 300mAh Drive unit: 8mm Color: Black, White, Yellow, Purple, Pink, Blue, Orange Charging time: 1.5h Talk time: 9h Play time: 8h Play time (Earbuds with charging case under 80% volume): 30h Input charging standard: DC 5V Best call distance: <1m Maximum transmission distance: 10m Voice prompt: supported Interface: Type-C Wearing method: In-ear