Features:-LED display backlight design, with volume, treble and bass control knobs, which allows you to adjust the high and low frequency separately for delicate sound. With controller for distant audio adjustments. (Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use, otherwise the remote control will not be powered.)-Supports Bluetooth, RCA & 3.5mm AUX Input, USB, SD/TF Card & FM Radio.-Compatible with mobile phones, computers, tablets, notebooks, MP3, TVs and projectors with AV audio etc. -This mini audio amplifier is convenient to use, you can use it at home, and carry it to your car or garage.Specification:Model: AK-380Rated frequency: 20-20KHZSignal to noise ratio: 90dbMateri.
eBay