High quality products. Easy to install and durable to use. Great quality and great Fitment. Correct Connector No cutting or splicing. Give a sharper and more sophisiticated look for your car. Battery: Button battery Mini HIFI digital bluetooth audio power amplifier. SD Card, U disk, MP3 format play, support bluetooth wireless connection. Support microphone and microphone input. Supports FM stereo radio. The newly designed front panel of dazzling color light brings cool feeling. With treble, bass, and volume control, very easy to use. Low distortion supplies a clearer, stronger and more powerful sound. Upgraded high power 4000W. With remote control function. DC/AC power in, suitable for home use. Suitable for HiFi, car, home theater systems and karaoke. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage: AC110V Colour:Black Material:ABS Package Contents: 1 x amplifier audio(with adapter) 1 x Remote control