Usams TWS Earbuds - YS series BT 5.0 US-YS001

Impedance: 16Ω
Connection Distance: ≤10m
Earbuds Battery Capacity: 30mAh
Playing Time: 3~4h
Calling Time: 2~3h
Earbuds Charging Time: About 1.2h
Stand-by Time: About 300h
Charging Case Capacity: 210mAh
Charging Case Input: 5V 1A
Charging Case Size: 60.2x45.2x21.6mm