The portable Bluetooth speaker can offer you endless enjoyment whether you are camping or having a rest. With two built-in 5W speakers，you can enjoy the wonderful stereo sound and heavy bass. With built-in microphone， you can pick up a call very conveniently when it isconnected to your cellphone. The fashionable speaker is the best choice for your beautiful life.<br> <br> Features:<br> Support A2DP， two built-in 5W speakers， relax you by wonderful Bluetooth music.<br> Support micro SD card up to 16G， built-in intelligent decoding function， more easy to play music.<br> Bluetooth connection and 3.5mm audio cable connection， more choices， more flexible.<br> Built-in microphone and hand free function for clear voice call.<br> Bluetooth stereo sound and bass， perfect sound quality.<br> Intelligent voice prompt to help you know whether the Bluetooth is connected.<br> With memory function， it can play music from where you stopped last time.<br> Fashionable， portable and durable.<br> <br> Specifications:<br> Bluetooth version: V2.1＋EDR<br> Bluetooth frequency: 2.402GHz — 2.48GHz<br> Working distance: 10 meters<br> Working time: 9 hours (normal volume)， 5 hours (maximum volume)<br> Speakers: 5W * 2<br> Battery type: 18650 lithium battery 1800mAh 3.7V (included)<br> Input power: DC 5V / 500mAh<br> Charging time: 4 hours<br> Frequency response: 50Hz — 20KHz<br> SNR: ≥85db<br> Color: Black， white (optional)<br> Item Weight: 613g / 1.351Lb<br> Item Size: 22 * 6.8 * 7.4cm / 8.66 * 2.67 * 2.91in (L * W * H)<br> Package Weight: 717g / 1.582Lb<br> Package Size: 23.6 * 10 * 9.5cm / 9.29 * 3.93 * 3.74in (L * W * H)<br> <br> Package List:<br> 1 * Bluetooth speaker<br> 1 * USB data cable<br> 1 * 3.5mm audio cable<br> 1 * User manual (English)<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>