Before you buy: This amplifier is suitable for families. If it is used in the home, it only supports the European/US standard. You need to convert the appropriate plug. If it is used in a car, it will be used in 12V cars.Thank you!<br> Features:<br> -Mini HIFI digital bluetooth audio power amplifier.<br> -TF Card, AUX, U disk, MP3 format play, support bluetooth wireless connection.<br> -Supports FM stereo radio.<br> -With treble, bass, and volume control, very easy to use.<br> -Low distortion supplies a clearer, stronger and more powerful sound.<br> -Two main channel output.<br> -With Remote control function.<br> -DC/ AC power in, Suitable foe home or your car.<br> Specifications:<br> Color: Black<br> Material: iron<br> Size: 19*15*4.5cm<br> Bluetooth version: 4.0<br> Remote control battery: a CR2025 button battery not buit in<br> Rated impedance: 4-16<br> Rated power: 15+15W( It is recommended to connect a pair of speakers below 6 inches)<br> Peak power: 800W<br> Power supply requirements: DC 12V/AC 220V/110V<br> Function introduction: pluggable TF card / plug U disk / with remote control / with FM radio / with Bluetooth<br> Audio input: 3.5 holes in the front seat, rear lotus seat can be connected: computer / MP3 / DVD / CD and other audio signals<br> Audio output: R left + L right clip for the channel output, positive and negative, one speaker<br> Precautions:<br> 1. The external connection of the power supply should be clearly divided into positive and negative poles, and the intermediate core of the power amplifier DC seat is positive.<br> 2. Do not store MP3s in internal cards and USB flash drives in folders.<br> Package Included:<br> 1 X Audio Amplifier<br> 1 X Remote Control(CR2025 battery not built-in)