Directly insert USB, TF, card reader, USB flash drive, FM function, mobile phone Bluetooth wireless connection ... can achieve music playback. Support infrared remote control function (sound volume addition and subtraction, up and down change, pause playback, mode conversion). Playing music without the remote control you can control the volume from the panel's addition and subtraction, up and down changes. Support AV audio signal input, can be connected to computers, mobile phones, DVD and other audio amplification. Power amplifier automatic 3 volume knob control volume and high bass adjustment. Can be equipped with 6 inch 8 inch 10 inch 60 magnetic -120 magnetic bass. No frequency can be connected to treble and bass speakers. Support car 12V, 24V power supply, home 220V power supply. Analog Alerts: Chinese, English Maximum power 80(W) Actual power: about 25W Power tube: 2009 Sensitivity 90dB Frequency response range 35Hz ~ 2200KHz Speaker: 6-8-10 inch universal (20-40W) Treble: 0-2W tweeter Size: panel length 13.8x8 panel width + circuit board length 8cmx width 9.9cmx thickness 3cm Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Colour: as shown Material: PC+metal Package Contents: 1 * HIFI car amplifier 1 * Remote control 1 * Power cord 1 * 12VDC Cord 1 * Speaker cord Please note: The appearance of different products from batch to batch, but the function is the same. Only the above package content, other products are not included. Note: Light 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.