Specification <br>1. Bluetooth protocol: 3.0+EDR class 2 <br>2. Bluetooth range: up to 10meters. <br>3. Input sensitivity: 300MV <br>4. Frequency range:150 --20KHZ <br>5. Signal-to-noise ratio:85dB <br>6. Charging time: 2 hours. <br>7. Power supply: USB Power <br>8. Loudspeaker Output: 3w <br>9. The loudspeaker specification:45mm <br>10. Built-in Li-ion battery capacity:400mAh <br>11. Call Working time:4-6Hours <br>12.Music time:above 2.5 Hours<br>13.Standby time: above 20Hours<br>14. Support phone/laptop/Tablet PC /any bluetooth device <br>15. With TF card slot, can play Mp3 format files in the TF card. <br>Package Includes: <br>1 x Bluetooth Mini Speaker <br>1 x USB Cable with AUX Audio Line <br>1 x User Manual <br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-11-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-12-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-13-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-14-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-15-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-16-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-17-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-18-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-19-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-20-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5636b6e061d6cf248a49d592-21-original.jpg?cache_buster=1458932834" alt=""width="800" noproxy>