USB/TF card playback with multiple external connections: Use a USB flash drive or TF card to download your favorite songs and DJ dance music, supporting multiple audio formats. Supports a 6.5mm microphone input with dynamic microphone reverb adjustment for seamless karaoke entertainment . High-power amplifier: Recommended pairing with two 4-8-inch speakers and a subwoofer. Supports connection inputs for mobile phones, iPads, , computers, speakers, DVD players, and other mainstream devices. Wireless Bluetooth 5.3+, 10M long-distance transmission, high-speed connection, stable transmission, and reduced latency. Technical Parameters: Channels: 2.1 Bluetooth Name: LP-1000 Bluetooth Version: 5.3+ Rated Power: 50W x2 (R/L) + 100W (SUB) Signal-to-Noise Ratio: >85dB Distortion: 0.2% Rated Frequency: 20Hz-20kHz Impedance: 2-8Ω Rated Voltage: DC 12-25V >5A Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Color: Black Material: Aluminum Alloy Package Contents: 1* Amplifier, 1* Remote Control, 1* Bluetooth Antenna, 1* Audio Cable, 1* Power Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.