Feature:1. Home Audio: 2 channel Bluetooth stereo amplifier receiver is very suitable for your karaoke, home theater and sound system. The peak power is 40w x 2, which can easily accommodate a set of speakers and enjoy high quality audio amplification.2. Input and Output Support: The digital amplifier box supports various external signal sources, audio input USB, storage card, and FM radio antenna. With audio output, 2 pairs of speaker output. So you can enjoy karaoke to the fullest.3. Bluetooth 5.0: The sound reinforcement mixing device is equipped with Bluetooth music streaming, and the wireless range is 40 feet/12 meters or more. Compatible with your favorite devices, such as smartphones, tablets, and computers.4. Remote Control: Comes with a mini remote control, which is convenient for you to control the machine from any angle and get rid of the shackles of wires. (Note: Please remove the battery insulation sheet on the remote control to make it work)5. Front Control Panel: This home speaker amplifier home audio Bluetooth receiver has front panel buttons and rotating control center, with digital LED display, easy to operate. In addition, it is equipped with an antenna and remote control for remote audio adjustment.Specification:Item Type: Power Amplifier Material: Aluminum AlloyPower Amplifier Size: Approx. 9 x 11 x 3cm / 3.5 x 4.3 x 1.2inScreen Size: 1 inchMemory Card Type: Memory Card U DiskExpansion Card: SupportOperating Mode: Push ButtonInterface: USB 3.0Headphone Jack: AUX InputSupport Audio Formats: MP3, WMA, WAV, FLAC, AAC, APEScreen Color: Monochromatic ScreenScreen Resolution: 160 128Remote Control: Infrared Control, Shipped with Built In Battery (Battery Model: Button Cell, CR2520, Capacity: 150mAh)Frequency Response Range: 20-20Menu Language: EnglishPower: 40w x 2Additional Features: Support Bluetooth, FM Radio FunctionInterface Function Introduction:USB, Digital Display, Memory Card Slot, AUX, Volume -, Volume+, Play Pause, Mode.Package List:1 x Power Amplifier1 x Remote Control (Random)Note:Manual measurement has 12cm error.