Product specs: Brand New & High Quality Bluetooth Speaker Excellent Sound Quality Unique feature of product:     Supports answering phone calls while playing music     Plug-in style mini speaker supports TF/SD card     Compatible with table PCs， smart phones and various kinds of Bluetooth-enabled devices     USB interface design， plug and play， easy to install and operate        Compact and lightweight， easy to carry     Support : A2DP， AVRCP， headset， handfree profile