1.Bluetooth Specification: CSR 4.0+EDR
<br />2.Bluetooth Profile: A2DP1.2/AVRCP1.0/HSP1.0/HFP1.5
<br />3.Frequency Digital Signal Processing Technique: CVC 5.0 Dual      Microphone Noise Reduction echo cancellation
<br />4.Loudspeaker Frequency Response: 110HZ   20,000HZ
<br />5.Type of Loudspeaker: Dynamic
<br />6.Loudspeaker Diameter: 30 mm
<br />7.Loudspeaker Impedance: 32 ohm
<br />8.Battery Model: Lithium polymer battery 120mAH
<br />9.Music Playback Time: 6-8 hours
<br />10.Talk Time:6~8 hours
<br />11.Charging Time:2.5hours
<br />12.Charging Port: Micro USB Type
<br />13.RF Range :10 M
<br />14.Microphone Sensitivity: -42 dB                                                                                                                                  15.color black ,white,blue,red,golden <p> <b><b><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-4-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-8-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-11-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-12-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-13-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/576424d3ba20d36244ab0d9f-15-large.jpg></b></b></p>