4-in-1 Karaoke Microphone --- Portable wireless microphones can be used as a microphone, Bluetooth speaker, loudspeaker, recorder. Home mini KTV for playing music and singing anytime. Quality Sound and LED Lights --- Advanced 3-layer noise reduction technology ensures high-quality and clear sound. Amazing live KTV sound and clear music rhythm with echo reverb. The microphone displays bright and dancing LED lights according to your voice and music volume, making the party more fun. 3-Way Connection and Compatibility --- 3.5mm audio jack and Bluetooth connection, singing microphones can easily connect to all Bluetooth devices. Compatible with phones, computers, PCs, and applications like YouTube, Facebook, etc. Supports external TF cards (NOT INCLUDED). The Bluetooth connection distance is up to 10m, you can take it to dance and sing freely. Long-Lasting Battery --- Our karaoke microphone for singing kids can be used continuously for 5-10 hours. It's a brilliant Bluetooth microphone for parties, family nights, and special occasions. Use DC 5V-1A power adapter for charging. Christmas Gift for Girls --- The LED microphone is mini-sized and easy to hold, comfortable to practice for both adults and 4-year-old children. Fun microphone birthday gifts for kids and adults!