Bluetooth Compliance	Bluetooth 3.0+ EDR<br>Operation distance	≤10M<br>Operation frequency	2.4G-2.48GHZ<br>Impedance	4Ω<br>Output Power	3W  <br>Audio Signal -Noise Ratio	>75dB <br>USB Charging Voltage	DC 5V<br>Working Voltage	3.7V<br>Battery capacity	Rechargeable 400mAh ithium-ion battery<br>Working Time	4-5 hours on medium volume <br>Audio Input	Bluetooth&Line-in<br>Charge time	<br>1.5-2 hours<br>Material	<br>ABS<br>Available color	<br>white/black/gold/silver/red.<br>Package<br> Carton size: 49 x 39 x 20.5cm<br>Product Size	<br>75*75*57 mm<br>Production Features<br>*Adopt wireless bluetooth connection and support those product that have bluetooth functions,such as mobile, tablet PC, and laptop. <br>*Support line-IN audio input.<br>*Hands-free multifunction speaker is specially design for safety driving.<br>*With voice promt function, and it can mostly connect with two phones at the same   time.<br>*Different colors for choice, mixed color order welcome<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-8-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/57048bf61ef2fe58e97fd65f-10-original.jpg" alt=""width="800" noproxy><p style="text-align: center;">