Inateck Stereo Wireless Bluetooth Portable Speaker for iPhone, iPad and Other Phones, Tablets or Laptops with 15 Hour Playtime and Precision Enhanced Bass (BTSP-10P) Dual 3-watt precision-tuned drivers and multi-band compressors pump out clear mids and vibrant highs - A 360&deg; speaker that drops bold, immersive sound in every direction. Packed with an 10 to 15-hour built-in 2000mAh rechargeable battery that gives you non-stop music from dusk till dawn. Conveniently recharge on the go with the included micro USB cable. BTSP-10 Plus was designed to easily fit in your backpack, purse, gym bag, or to even just be tossed into your car seat, crafted to be taken everywhere Enjoy simplified Bluetooth connectivity with the latest Bluetooth 4.0 technology. With this unit, you can switch songs and adjust volume from up to 33 feet away. Controls are designed to be as easy to use as possible. The speaker keeps buttons to a minimum, while an array of simple light signals and audio cues conveys basic functions quickly and intuitively.