【Portable Powerful Stereo Sound】This 40W (5000W Peak) Portable PA Amplifier Speaker System set is equipped with Dual Subwoofer for Full Range Stereo Sound Reproduction An Audio Connection Cable.This PA speaker can be connected to a microphone (including a microphone) which is very suitable for family karaoke conferences classrooms lectures outdoor parties etc. It provides clear and sonorous sound. Enjoy your favorite music everywhere as you like. 【Flashing colorful lights 】This loud bluetooth speaker not only sounds great but it also has a variety of color combinations colorful lights which is suitable for parties in open-air parties or night parties very useful. 【Multi-Functional PA System and Karaoke Machine】This PA Speaker supports the use of microphone function (included) it also supports Micro TF card and USB connectivity. Works with all of your external devices like Android mobile phone/Tablet/PC and FM radio to be used as Karaoke Machine Music Speaker PA System and so on. 【Powerful Rechargeable Battery】Powered by built-in rechargeable 24000mAh high-capacity Li-ion battery provides non-stop music up to 6 hours at maximum volume or 10 hours at half volume. You can fully charge it in 4 hours. Model: TTD-2807 BT version: 5.0 Horn Size: 8 inches (2 pcs) Power: 20w Battery: 2400mAh Charging interface: micro Function: USB/TF/AUX/FM/BT/MIC Product size: 60*23*20cm/23.6*9*7.8 inches PACKAGE: 1* speakers 1* microphone 1* micro charging cable 1* remote control