Professional Wireless Headset Microphone Lavalier

? Wireless Lavalier Microphone with Clip and Voice Amplifier Great for Loudspeaker Listening, Teaching, Tour Guide and more
? In order to avoid Interference from other wireless devices this item is designed with 25 selectable frequencies
? One Key Auto Pairing Button which when pressed the receiver will pair with transmitter frequency automatically
? RECEIVER: Low Battery and charging status indicator, Rechargeable Battery lasts up to 6 hours, Power Consumption 80mA, Built-in USB charging Port and RF/AF LED Indicator, Dimensions 93 x 31 x 20mm
? MICROPHONE: Dynamic Sound Cartridge, Batteries 2x AA (not included) with 4 hours working time
? Weight 0.35 kg
? Dimensions 250 x 55 mm