Amazon Brand - Umi Quad Drivers Hybrid Bluetooth 5.0 wireless headphones Umibuds Dual Dynamic Graphene speakers wireless Stereo earphones with deep bass IPX7 Waterproof Wireless Earbuds(black)

Umi by amazon Quad Drivers Hybrid Bluetooth 5.0 wireless headphones, Umibuds Dual Dynamic Graphene speakers wireless Stereo earphones with deep bass IPX7 Waterproof Wireless Earbuds with intelligent Charging Case
product model : W8
Version : BT 5.0
earphone battery : 45ma
charging case: 450ma
standby time :100 H
play time: 4-6H
Call time: 16H
Connection distanc...