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 watts, 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 RCA 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 Alloy Power Amplifier Size: Approx. 9 x 11 x 3cm / 3.5 x 4.3 x 1.2in Screen Size: 1 inch Memory Card Type: Memory Card U Disk Expansion Card: Support Mode of Operation: Push Button Interface: USB 3.0 Headphone Jack: AUX Input Support Audio Formats: MP3, WMA, WAV, FLAC, AAC, APE Screen Color: Monochromatic Screen Screen Resolution: 160 × 128 Remote Control: Infrared Control, Shipped with Built In Battery (Battery Model: Button Battery, CR2520, Capacity: 150mAh) Frequency Response Range: 20-20 Menu Language: English Power: 40w x 2 Additional Features: Support Bluetooth, FM Radio Function Interface Function Introduction: USB, Digital Display, Memory Card Slot, AUX, Volume -, Volume+, Play Pause, Mode . Package List: 1 x Power Amplifier1 x Remote Control Note: Manual measurement has 1‑2cm error.