Features: 1.Support Devices: Bluetooth power amplifier can be connected to computers, DVDs, cell phones, TV set top boxes and other sound devices. Suitable for hotel, KTV, shopping mall, teaching platform, factory and car. 2.Remote Control: Sound power amplifier full featured infrared remote control, also with a display, easy to understand function operation, so you can do whatever you want. 3.Bluetooth Transmission: Stereo sound amplifier built in wireless monitoring teeth function, hifi generation transmission. 0?10m/33ft is the effective transmission distance. 4.HD Radio: Sound power amplifier built in FM digital FM chip, plus external tie rod antenna, support fm automatic station search function, 87.5MHz?108MHz reception range, fast and accurate. And MP3 decoder. 5.Storage Card Support: Power amplifier supports storage card and U disk memory, with a power failure memory function, a large number of U disk automatic broadcast. specification:Item Type: Bluetooth Power Amplifier Material: Aluminium Alloy Panel EU Voltage: 220V Output Power: 100W+100W Peak Power: 300W+300W Support: Bluetooth / Mp3 / Two Microphones (Not Included) / USB / Storage Card Remote Control Battery s: 1 x Cr2025 (Not Included) PackageList: 1 x Power Amplifier 2 x Instruction Manual 1 x Remote Control 1 x Wiring