Features: -Mini HIFI digital bluetooth audio power amplifier. -TF Card, AUX, U disk, MP3 format play, support bluetooth wireless connection. -Supports FM stereo radio. -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 for home or your car. -Upgraded high power 300W+300W. -It can switch voltage automatically. -Small heat, light weight. Specifications: Model: AK35 Color: Black bluetooth: Support RMS Power: 30Wx2 Max Power: 300W+300W Voltage: AC 110V-220V / DC 12V 5A Plug: US plug Channel: 2.0 SNR: 85 dB Distoration Rate: 0.05% Load Impedance: 4-16 Frequency: 10Hz-20KHz FM Frequency: 87.5-108MHz Size: Approx. 19x12.5x4.5cm / 7.48x4.92x1.77in Package Included: 1 x Audio Stereo Amplifier 1 x Remote Control 1 x User's Manual 1 x Power Adapter