* Product Size: 81*24.5*105CM* Bluetooth Handsfree Talk Function Card Speaker* NFC Wireless Handsfree Talk Function Card Speaker* Double Speakers*USB/TF Reader， Music Play， FMradio， Auxin* Support Music Format: MP3 * FM Radio: 87-108MHZ* Built-in 18500 battery* Battery Capacity:1800mAh * Output power: (RMS) 5.0Wx2* Accessories:1x Packaging， 1 x3.5mm AUX audio cable，1 x USB power cable