EasyAcc Mini Portable Bluetooth 4.0 Speaker with Mic, 3.5mm Aux, FM Function, Micro SD Card Support - Titanium Black Small, stylish, compact, and extremely portable; fits easily into your bag or pocket so you can use it on the go. 3W 500mAh Bluetooth 4.0 Speaker with Mic, FM Function, Micro SD Card Support Cylindrical microphone design 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) Supports: micro-SD Cards , FM Radio and Bluetooth Transmission range: 8-10 m (with no obstructions).