High quality products. Easy to install and to use. Great quality and great Fitment. Correct Connector No cutting or splicing. Give a 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 , the Philippines and so on. Voltage: AC110V Colour:Black Material:ABS Package Contents: 1 x amplifier audio(with adapter) 1 x Remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.