Check the listing for details. Kakoa Freinds bluetooth microphone. Color: Pink, Condition: Open box, Made in China. Listed at 75.95 USD. New Item.. LED lighting technology that responds to sound The Kakao Friends Bluetooth microphone speaker has an LED lighting function that responds to the sound. The LED lights up according to the playing range and beat, making it more fun to use. Kakao Friends Bluetooth Microphone Speaker Recommended for anywhere you need a microphone and speaker! (At home, in the car, on a trip, singing practice, small events, parties, events) -Simple and reliable Bluetooth connection (Android, IOS supported) ※ 20m distance is recommended for stable use. -More vivid and rich sound with dual speakers (up to 10w high-power speaker) ※ When using only the speaker, lower the microphone volume button to OFF. -Up to 10 hours of use -Large capacity battery