1Using aluminum metal shell, mini light, not occupying position, digital display intuitively shows working mode, playing time, broadcasting frequency, etc. 2U disk/memory card playback, support MP3 format, lossless format music APE, FLAC, WMA, support FM87.5108Mhz radio. 3AUX/RCA stereo input, Disc/computer/MP3/mobile phone connection, matching a variety of audio source cable ports, 2.0 channel output, stereo live effect is more shocking. 4Builtin Bluetooth 4.2, matching tablet/mobile phone and projector, more convenient through wireless connection (straight line receiving distance 10 meters ). 5Supporting infrared remote control, control product on/off, mute, play track, play mode and direct track selection, volume and other functions, randomly choose single, all loop. Condition: 100% Brand New Item Type:Audio Amplifier Material: Aluminum Alloy Color: As Picture Shown Weight: Approx. 374.0g/13.2oz RMS Power: @ 4 ohm 20Wx2CH THD: @ 4 ohm 85 dB Stereo Separation: (+ A)> 80 Db Power Requirement: DC + 12 V (9-15V) Bluetooth: 4.2 Remote Control Battery Model: CR2025(Built-in) 1 xAudio Amplifier 1 x Manual 1 x Car Charging Cable 1 x Remote Control