OAXIS 2600mAh Bluetooth Wireless Outdoor Speaker Stereo Audio Portable Power Bank <br>Specification:<br> Brand:OAXIS<br> Radio:No<br> Display Type:None<br> Remote control:No<br> Bluetooth Version:BT3.0<br> Effective distance:10m(33ft)<br> Dimensions:177.5*55.8*62.3mm<br> Frequency Response : 100~18KHz<br> Battery Type : Built-in Li-ion(2600mAh)<br> Audio : 3.5mm audio jack<br> Playback Time : up to 15 hours(Varies on different volume level)<br> Color : Rose，Red，Green<br>  <br> Features:<br> Portable Lightweight Design.<br> Portable sound system，multi-player mode，high fidelity stereo sound.<br> Bluetooth 3.0 Wireless Audio - Stream music wirelessly from your mobile devices.<br> Reverse Charging Capable - Built in power bank for charging mobile phones and tablets.  More details: