Specification: Name: Microphone Wireless Transmitter And Receiver Material: metal, aluminum alloy, ABS Frequency range: 500-980MHz Dynamic range: 110dB Adjustable channels: 16 adjustable frequency points Battery: Built-in 1000mAh large capacity battery Battery life: 6-8 hours Long distance transmission range: 50-80m Diver-free: plug and play Style: Handheld microphone, other, wired microphone, handheld microphone with speaker, wireless microphone Suitable for: Use on speakers, power amplifiers, mixers or guitars, etc. Usage: conference microphone, karaoke microphone, stage performance, singing Transmitter size: 110*35*28mm Receiver size: 110*35*28mm Colour: Black Packing included: 1 * Wireless Transmitter 1 * Wireless Receiver 1 * 6.35mm to XLR Plug 1 * Charging Cable 1 * User Manual