EasyAcc Mini Portable Bluetooth 4.0 Speaker with Mic, 3.5mm Aux, FM Function, Micro SD Card Support - Blue Small, stylish, compact, and extremely portable; fits easily into your bag or pocket so you can use it on the go. Equipped with a 3.5mm audio cable for non-Bluetooth devices (just insert the Micro USB end into the speaker); compatible with all touch screen tablets,smartphones, laptops, iPads, iPhones, and iPods with Bluetooth built-in. Cylindrical microphonedesign can reduce background noise during voice calls (speakerphone must be within 20cm). Built-in rechargeable lithium battery offers 4-5 hours of playtime and is charged via Micro USB Cable(charging cable included). Supprts: micro-SD Cards & FM Radio & Bluetooth Transmission range: 8~10m (with no obstructions) .