MULTI FUNCTIONAL: 4 in 1 multifunctional karaoke mic, widely used in KTV, house party, car speaker, musical instrument recording, interview, speech, live, etc.  LOW NOISE: High quality smart mixing chip, 3 layer anti noise filter head, bring you clear reverb and lowest noise, mix your voice with music perfectly, boost to the highest point.  CONNECTION METHOD: Support BT, AUX cable, Memory Card connection, connect your mobile phone with data cable or BT, open the app, you can start your mobile party. EASY TO USE: This wireless microphone can work continuously for 5‑6 hours when fully charged, supports Memory Card, can play music or sing without a smartphone. PERFECT GIFT: Small, lightweight, comfortable to touch, suitable for adults and kids, practice and share your favorite songs on the app, the perfect birthday or holiday gift for kids, friends or family.