Bluetooth Compliance	Bluetooth 3.0+ EDR<br>Operation distance	≤10M<br>Operation frequency	60HZ-20KHZ<br>Impedance	4Ω<br>Output Power	3W  <br>Audio Signal -Noise Ratio	>65dB <br>USB Charging Voltage	DC 5V<br>Working Voltage	3.7V<br>Battery capacity	Rechargeable 1000mAh ithium-ion battery<br>Working Time	8-9 hours on medium volume <br>Audio Input	Bluetooth&Line-in<br>Receiving Sensitivity (TYP)	<br>-90dBm <br>Material	<br>Aluminium<br>Package<br>40 pcs/carton; Carton size: 49 x 39 x 20.5cm<br>Product Size	<br>75*75*57 mm<br>N.W/G.W<br>145g/265g<br>Product Features  <br>*Wireless Aluminum alloy Bluetooth speaker with stand function, convenient to watch movies and play game<br>*3.5mm Auxiliary input to connect external non-bluetooth audio devices such as MP3, Computer, Notebook, PSP etc.<br>*Professional stereo sound design with 1000mAh output power & double horns<br>*Humanized design of card slot, suitable for smartphones and tablets, especial for iPad<br>*Simple and fashionable appearance, exquisite workmanship, metal texture, unique style shows personality.<br>*Upgrade function can used as 2200, 4400mAh, 5500 mAh power bank.<br>*Different colors for choice, mixed color order welcome<br>*Customized logo or design is highly welcomed<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-8-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56fcee7949c0aa591d68e50d-10-original.jpg" alt=""width="800" noproxy><p style="text-align: center;">