BT207ANC Neckband Bluetooth earphone with fast charge function

Specification:

BT207ANC Neckband Bluetooth earphone with fast charge function 

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