Supports Phone Calls While Playing Music ,Built-in FM radio Plug-in style mini speaker supports TF SD card Compatible with Tablet PCs, Smart Phones & Various Kinds Of Bluetooth-enabled Devices. USB interface design, plug and play, easy to install & operate Compact and lightweight, easy to carry Bluetooth version : V4.0 Working Range Up to 15m Charging Time: 2 hours Lasting Time: 5-6 hours Battery Capacity: 820mAh Input: 5V/1.0A Output: 5W Weight: 250g