Mini HIFI digital bluetooth audio power amplifier. TF Card, AUX, U disk, MP3 format play, support bluetooth wireless connection. Supports FM stereo radio. Bluetooth version: 4.0 Remote control battery: a CR2025 button battery not buit in Rated impedance: 4-16 ohm Rated power: 15+15W( It is recommended to connect a pair of speakers below 6 inches) power: 800W Power supply requirements: DC 12V/AC 220V/110V Function introduction: pluggable TF card / plug U disk / with remote control / with FM radio / with Bluetooth Audio input: 3.5 holes in the front seat, rear lotus seat can be connected: computer / MP3 / DVD / CD and other audio signals Audio output: R left + L right clip for the channel output, positive and negative, one speaker With treble, bass, and volume control, very easy to use. Low distortion supplies a clearer, stronger and more powerful sound. Two main channel output. With Remote control function. DC/ AC power in, Suitable foe home or your car. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Colour: black Material: iron Size: 19 x 12.5 x 4.5cm Package Contents: 1 x Bluetooth power amplifier 1 x remote control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.