This audio amplifier is small in size and easy to operate, you can use it at home, and carrying it to your car is also very convenient.Features:Mini HIFI digital bt audio power amplifier.Built-in LCD display, with backlight function.Supports FM stereo radio.Two microphone input slot, KTV system in your home or in car.With treble, bass, and volume control, very easy to use.Low distortion supplies a clearer, stronge and more powerful sound.Two main channel output.With reverberation function.With remote control function.Suitable for both home and your car.Specifications:Color: blackLoad impedance: 4-16SNR: >92 dbFM frequency: 87.5-108MHzDistoration rate: 0.05%Frequency: 10Hz-20KHzSensitivity: 0.25mV-220mVBattery: CR2025, 3V, 150mAhItem size: 180 * 136 * 55mm / 7.1 * 5.4 * 2.2inItem weight: 920g / 2.0lbPackage size: 190 * 188 * 62mm / 7.5 * 7.4 * 2.4inPackage weight: 1180g / 2.6lbNote:Each batch of products will be slightly different due to different production batches, please kindly understanding.Packing List:1 * Audio Amplifier1 * Remote Control