BT205 Fast charge neckband Bluetooth earphone with 16H working time

Specification:

 Fast charge neckband Bluetooth earphone with 19H working time

Bluetooth version: Bluetooth V5.0

Transmission distance: 10m
Battery capacity: 3.7V/230mAH Li-polymer battery
Charging time: about 2.5 hour

Play time: about 16 hours

Speaker: φ10mm
Impedance: 32Ω