Digital In-ear True Wireless Earphones Black

Brand: Trusmi
Model: WS02-021
Color:Black
Bluetooth version: 5.3 [Binaural Call]
Bluetooth transmission distance: 10M
Input: Type-C DC 5.0V ⎓0.3A
Playtime: 4 hours
Standby time: 80 days
Charging time: ≤1.5 hours
Headphone battery capacity: left/right 30mAh
Charging box capacity: 200mAh protection board