Specifications:

Bluetooth Ver.: V4.1 – Vi micro

Speaker Driver: 2 x Ø40mm

Impedance:26Ω± 15% at 1KHz

Frequency Response:20-20KHz

Sensitivity:96±3dB at 1KHz 1mW

Battery Capacity: 430mAh

Working Time:15hrs

Standby Time: 500hrs

Max Input Power:40mW

Bluetooth Ver.:V4.1

Chip:VIMICRO

Working Time:15hrs

Standby Time:500hrs