Power Source :- Battery Powered Brand :- MICRODIGIT Connectivity Technology:- Wireless, Bluetooth, USB, AUX. *Small and portable, the Bluetooth speaker lets you listen to your music, videos or games wherever you are *Featuring our tried-and-tested analog tuner, the Microdigit MRS008T determinedly delivers AM and FM radio channels *Classic retro design, with a vintage looking, LED background with analog controls easy to carry, with power packed impressive volume *Multifunction Bluetooth FM radio: Bluetooth speaker, FM radio, Micro SD card / TF card, USB and Aux in *BLUETOOTH: 4.2 + EDR with a range up to 10m ; BATTERY: Up to 7 hours playtime at moderate listening level. Built-in rechargeable 1500mAh Li-ion