Features： 1.Noise Reduction: Mini lavalier microphone adopts DSP noise reduction chip, 360 Degree omnidirectional ultra sound pickup, autonomous elimination of environmental noise, making sound pickup more accurate. 2.Ultra Long Distance Transmission: Mini clip on microphone adopts 2.4G wireless technology, 30m long transmission distance, stable connection, ultra low latency. 3.Multi User: Wireless lapel microphone supports one microphone for one person, two transmitters and one receiver, supporting two people to shoot and record at the same time, without frequent microphone delivery. 4.Use While Charging: Mini lavalier microphone's receiver has a built in charging port for cell phones, which is plug and charge and supports long lasting work. 5.Real Time Adjustment: Wireless microphone can real time ear back monitoring, listening and recording at the same time, real time feedback recording sound mastering sound situation, show more excellent sound effect. specification：Item Type: Wireless Lavalier Microphone Material: ABS Mark: Condenser Microphone (Noise Reduction Effect Is Better) Charging Bin Range: 36H± Noise Reduction Chip: DSP Noise Reduction Frequency Range: 2.4G Transmission Distance: 30m/98ft Battery Type: Lithium Battery Charging Bin Battery Capacity: 400mAh (Included) Single Microphone Battery Capacity: 65mAh (Included) PackageList： 1 x Charging Compartment 1 x Charging Cable 1 x Receiver 1 x Instruction Manual 2 x Microphone