Dual Microphone : Enjoy singing with friends and family with two wireless microphones included. Portable System: Take your karaoke party anywhere with this portable speaker system. 3D Surround Sound Mode: Experience high-quality sound with the 3D surround sound mode. Bluetooth PA Speaker: Connect your device to the speaker via Bluetooth for a seamless audio experience. Colorful LED Lights: The speaker features a of RGB color lighting effects (full-color rotation, single-color alternation, gradient effect, full-color breathing, and single-color breathing) that provide an immersive music experience. Bluetooth version: V5.3 Wireless Transmission Distance: 10M Flare diameter: 57mm Horn power: 5W*2=10W Frequency response: 120HZ-20KHZ Play mode: Bluetooth/TF Card/USB U-Disk/3.5MM AUX(Input) Battery : Built-in 1800mAh Working voltage: 5V/1A Charging time: 3-4 hours Play time: 8-10 hours(medium volume) Charging interface: Type-C interface File format: supports MP3/WMA/WAV Speaker size: 177x110mm Wireless Microphone : Bluetooth version: V5.3 Working voltage: 5V/1A Charging interface: Type-C interface Charging time: 1-2 hours Microphone size: 138x41mm Colour:White Material:plastic Package Contents: 1 x speaker 1 x charging cable 2 x microphone 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.