Fast shipping: USA ship by USPS <br><br>Features:<br>Product Name: 920 bluetooth headset<br>Bluetooth version:4.0 EDR<br>Support:A2DP.ACRCP.HSP.HFP.SPP<br>Speaker Impedance :16 ohm<br>Sensitivity:110dB<br>Communication distance:10m<br>Frequency response:20Hz-20kHz<br>Distortion:&lt;0.1% (THD)<br>talk time:8 hours<br>standby time:210 hours<br>Charging time:1-2 hours<br>charging port:Micro-USB<br>Function:Dust and water proof anti-sweat put shock<br>Language Support:English<br><br>Packets incluedes:<br>1pcs bluetooth wireless headphone<br><br>1pc user manual <br><br>1 charger cable<br>
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