eatures and Specifications The CMBS-6118 includes a variety of connectivity options and features: -Connectivity Bluetooth, USB input, TF/SD card input (up to 16GB), AUX input, FM Radio. -Microphone Support Features a mic interface to support karaoke mode, with some variants including a wired microphone in the package. -Lighting Features RGB LED lights that flash with the music, adding a vibrant atmosphere. -Battery Builtin rechargeable lithium battery, commonly 3.7V 1500mAh. Normal playback