Specifications: Input voltage: AC 220V/ DC12V(in car) Plug: European plug bluetooth: Support RMS Power:18W*2 Peak power: 600W Channel: 2 CH Load impedance: 4-8Ω SNR: 85 db FM frequency: 87.5-108MHz Distoration rate: 0.05% Input Sensitivity: 0.25-5V RC power supply: CR2025 battery(not built-in) Size: Approx. 23x15x6cm/ 9.06x5.91x2.36'' Features: -Mini HIFI digital bluetooth audio power amplifier. -Built-in LCD display, with backlight function. -SD Card, U disk, MP3 format play, support bluetooth wireless connection. -Supports FM stereo radio. -Two microphone input slot, karaoke system in your home or in car. -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. Package Included: 1 x Audio Amplifier 1 x Remote Control If you have any questions, please contact us in time. If you are satisfied with our service, please send a five-starand praise with pictures. Enjoy Shopping! I hope you are happy, work well, and be healthy, Thanks!