Item Type: UHF Wireless Microphone Material: ABSCarrier Frequency Range: 610-690MHz (Depending on the Range of Countries Used)Modulation Mode: Digital ModulationS N: 95dBWorking Distance: Approx. 50m/164ft (Under Ideal Environment)Microphone Battery Specifications: 1 x 18650 Lithium Battery 1800mAh (not Included)Receiver Battery Specifications: 1 x 18650 Lithium Battery 1800mAh (not Included)Package List1 x UHF Wireless Microphone1 x Instruction Manual1 x Charging Cable1 x Sound Adapter1 x Receiver1 x Rubber Ring1Easy to Operate: Receive and microphone transmitter can be interconnected without setting, simple and convenient operation. 2UHF Wireless Technology: The use of wireless channels to achieve remote data transmission, strong anti interference power, stable transmission. 3Ergonomic Design: Karaoke wireless microphone adopts ergonomic design, comfortable to hold for a long time, not tired of using. 4Quality Materials: The microphone body is made of ABS, more lightweight, the surface of the metal paint light, delicate and more durable. 5Applicable: UHF cordless microphone is suitable for a variety of venues, accompanying you anytime and anywhere, easy to operate.