RCA Pop Portable Bluetooth Speaker SPBT41

-Lightweight and handy (palm-sized)
-Function: Hands free, Micro SD Card, FM
-Bluetooth version: Bluetooth 2.1
-Material: ABS + Rubber oil
-Battery: Built-in 550 mAh
-Output power: 3W
-Size: 90.5*56*39mm
-Impedance: 4 ohm