Bluetooth version: V4.0 -BK

Support A2DP, AVRCP, headset and hands free profile

Working range: up to 10m

Working time range: 2-3 hours

Built-in MIC, answer / reject your phone 

With power bank function

Speaker: 40mm 4 Ohms 3W

Loudspeaker output: 3W x  2

Frequency responses: 280Hz to16KHz

Signal to noise: ≥95dB

Distortion: ≤5%

Battery voltage/capacity: 1000mAh

Size: 208.5 x 60 x 67.5 mm