Item Type: Wireless Microphone Material: Metal, ABS Gross Weight: 810g / 28.6oz SNR: 95dB Frequency Response Range: 30HZ-20khz Receiving Distance: 50m under ideal condition Single Microphone Battery Information: lithium ion battery 18650 x 1 1200mAh (shipped with supporting battery) Receiver Battery Information: lithium ion battery 18650 x 1 1200mAh (shipped with supporting battery) Package List 2 x Microphone 1 x Receiver 1 x 3.5mm Adapter 3 x Battery 2 x Anti Slip Ring (Random Color) 1 x Charging Cable 2 x Anti Spray Cotton (Random Color) 11 to 2 Design: This wireless microphone adopts a 1 to 2 design, which allows better interaction and communication, has excellent performance. 2Strong Signal: UHF high performance wireless microphone technology, stable signal, can go through the wall, and can arrive about 50 meters of wireless reception distance. 3Cordless: Get rid of the bound of cable, plug and play, perfect for live stream, karaoke, sound card, family gathering, convenient and practical. 4Excellent Sound Effect: Dynamic microphone can effectively restore beautiful voice, effectively pick up sound, and have premium sound effect. 5Rechargeable: This microphone is equipped with a rechargeable battery, which can be charged through the USB interface for fast charging and long life.