The BTS-210NR is a lightweight portable speaker with Bluetooth that is easy to carry with you wherever you go. It can be used to play music from your smartphone, tablet, or computer, or you can play MP3 files using the USB port or SD card slot. The speaker is equipped with two 5W speakers that produce a full sound that is perfect for listening to music, watching movies, or playing games. Includes a built-in 1500mAh rechargeable battery for portable playback, or power from mains or USB. Plug in any non-wireless Bluetooth device and playback on this fantastic looking portable speaker using the AUX IN socket.