Feature: 1.Colorful RGB Lights: Our Bluetooth karaoke speaker comes with two large disc-like RGB lights that change color and shape as music plays. It will arouse kids' interest and distract their attention from videos & games. Dynamic lights also let you feel energized and relaxed. 2.Dual 8.5 Inch Subwoofer: Adults will love this powerful sound system that consists of double 8.5" subwoofer. They can deliver deep bass even if the volume is turned up. The midrange and treble can remain loud and clear. It fits for gatherings of up to 200 people. 3.Stable Bluetooth 5.0 Connection: It allows you to stream your favorite music directly from a smartphone, iPod, tablet or any other suitable BT device within 10M/32 feet, without cables. 4.Additional Audio Source: When the Bluetooth device is not available, you can insert a U disk or micro SD card, or connect to a 3.5mm audio device such as an MP3/MP4/5 player to play your favorite music. It also has FM & TWS pairing function. 5.Long Battery Life & Rechargeable Battery: Equipped with 3000mAh rechargeable battery, the speaker can keep running for 3-5 hours in events such as outdoor live performances, BBQ, advertising activities, street speeches, school events, karaoke, Bon festival dance, etc. 6.Portable Speaker: The speaker has a heavy-duty top handle. You can carry this speaker to your friend or relative's space and enjoy some karaoke time together. 7.External Microphone Included: The powerful Bluetooth party speaker comes with a wired mic that allows you to adjust sound effect and enjoy Karaoke with your friends and family. Specification: Type: Bluetooth Party Speaker Color: Black Size: 59.52024.7CM Battery Capacity: 3000mAh Bluetooth Version: 5.0 Speaker Size: 8.5 inches Work Time: 3-5 hours Power: 30W Function: USB/TF/AUX/FM/BT/MIC Package Included: 1 * Bluetooth Speaker 1 * Remote Control 1 * Wired Microphone 1 * Charging Cable