1Easy to Operate: Automatic pairing, plug and play, plug in the receiver after power on to automatically connect. 2Wireless Transmission: 30m / 98.4ft wireless transmission, get rid of wire constraints, high performance wireless microphone, dual mode interconnection make the signal stable. 3Noise Reduction Function: The built in noise reduction chip has strong anti interference ability, the microphone can effectively identify the original sound, and can still record clearly in a noisy environment. 4Lavalier Microphone: Wireless lavalier microphone is easy to wear, with stable signal and clear reception, it is easy to record high quality o. 5Widely Used: The mini wireless microphone is suitable for a variety of occasion, such as outdoor, teaching, live broadcast, interview, Vlog, etc., and the shooting is worry free. Item Type: 2.4G Wireless Lavalier Microphone Model: M9 Material: ABS Product Color: Black Product Weight: Approx. 65g / 2.3oz Microphone Type: Condenser Pointing Characteristics: Double Pointing Frequency: 2.4G Input Voltage: DC 4.8-5.4V Charging: Type C cable charging Signal to Noise Ratio: 70db Frequency Response Range: 20Hz-20KHz Battery: Lithium Battery 90mAh ( built in) Transmission Distance: 30m / 98.4ft Barrier Free 1 x Wireless Microphone 1 x Receiver 1 x Manual 1 x Charging Cable