1.Blutooth version: V3.0
Output voltage: 3.7V-4.2V 1 x USB cable
Unit dimension: 13.5*5*5cm
Transmission distance: >10m
Output power: 40mm， 3W*2 1 x audio line G/B
Dimension: 14.3*8.5*5.8cm

2.Handsfree phone
Input: 5.0V 1 x manual ctn
Dimension: 31*44*31cm
you can answer / hang up cell phone
Loud speaker: 4Ω / 3W*2 color box
Qty/ctn: 50pcs

3.Touch key signal and noise ratio (SNR): 80dB
N.W/G.W: 20/21kg

4.TF card music playback frequency response: 20Hz-20KHz 40'GP

5.FM radio Output distortion rate≤0.5% 40'HQ

6.Aux in， apply to PC， mobile phone， MP3

7.Battery: 1200mA rechargeable Li-ion battery