Product details:
Both microphones & receiver can be rechargeable. No need to set! No need to buy batteries! Just plug and use! Perfect for Karaoke, Speech, Meeting, Performance, Indoor or Outdoor. Design for Outdoor Karaoke Speaker, PA Speaker System, Power Amplifier, etc(Notice: Not For Phone, PC, Camera); 1/4"(6.35mm) Receiver Input; Microphone & Receiver use 2.4G Connection Technology, Indoor range 50ft(Outdoor range 100ft); Frequency Response 50Hz-18kHz; SNR 70dB; Distortion 0.5%; Latency 3ms; 10 2.4G Work channels(CH01-CH10); 2 x Microphone Windscreen . Support 10 sets at max for Simultaneously Using(Each Set Using In Different Channel). When full charged, microphone working time about 8 Hours, receiver working time about 4 Hours; Dual USB Charging Port for Charging Advanced connection and after sales: If your microphone has no sound, make sure you have enough power for the microphone and receiver. Insert the MIC jack, Not an AUX jack. If you find no sound from the mic, you need to re-pair.
