Perfectly compatible with Android and iOS system platform; Support mobile karaoke, computer karaoke, also can be used as a computer voice microphone, QQ voice, YY voice, 9158 rooms, etc.; Using condenser microphones, pickup is wider, voice clear and bright. High-energy original polymer rechargeable batteries, more efficient, more secure, work time more than 4 hours at least. Ergonomic button design, comfortable to use.