Continue playing time: 6 hours<br>Battery capacity: 750 mA<br>The speaker output power: 3 w<br>Signal to noise ratio: 80 db<br>Sensitivity (induction voltage) 40 mv<br>Input power supply: DC 5 v / 500 ma<br>Color: black， white<br>Product specification: 127 * 90 * 83 (mm)<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-8-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/565d6fe9c425943f7e7cf06a-10-original.jpg" alt=""width="800" noproxy><p style="text-align: center;">