Item Type: Wireless Microphone Material: Metal, ABS Weight: Approx. 420g/14.8oz Carrier Frequency Range: 266.85MHz Band Width: 50MHz Modulation Mode: Digital modulation Maximum Frequency Deviation: 48KHz Frequency Response: 50Hz to 15KHz Signal to Noise Ratio (S/N): 95dB Distortion Degree: 0.5% Working Distance: 50 meters (under ideal conditions) Microphone Battery: Lithium ion battery x 1 1200mAh (shipped with accompanying battery) Receiver Battery: Lithium Ion Battery x 1 1200mAh (shipped with accompanying battery) Package List 1 x Wireless Microphone 1 x Receiver 1 x 3.5mm Adapter 2 x Batteries 1 x Anti Slip Ring (Random Style) 1 x Charging Cable 1 x Specification 1Excellent Quality: Made of metal and ABS, effectively protect the internal security of the microphone, with built in thickened sound filter cotton, fine technology. 2Ultra Long Distance Reception: External independent antenna output port, built in frequency two way encryption signal technology lock, the maximum receiving distance of 50 meters, more stable and further. 3Sensitive Cardioid Condenser: The microphone conforms to the frequency characteristics of sound, comprehensive electroacoustic technology, displays clear saturated human voice. 4Ultra High Frequency Wireless Connection: Ultra high frequency wireless transmission, one time automatic frequency, anti interference, strong signal penetration, one step connection which supports immediate singing. 5Multiple Applications: This cordless handheld microphone can be used for stage performance, live streaming, recording studio, family KTV, etc.