Description:The large-capacity battery of this microphone supports long standby time.Clear sound effect can be achieved because this microphone has high sensitivity and good anti-interference performance.The material of this product is ABS.The length of this microphone is 13cm, width is 8cm and height is 3cm.This microphone is suitable for video shooting, interview, live show and so on.Item Name: MicrophoneMaterial: ABSFeatures: Automatic Connection, Noise Reduction, with Charging BoxTransmission Distance: More Than 20 MetersOne Tow Two: Support(Two Transmitting And One Receiving)Headphone Monitoring: The Receiving End And The Transmitting End Can Be Monitored(for TYPE-C Analog Interface Headphones)Noise Reduction: SupportReverb: SupportSound Delay: Less Than 25ms(18-22ms)Microphone: -42 2DB OmnidirectionalFrequency Response: 20Hz-20KHzSampling Rate: 44.1KHz(Noise Reduction to 32KHz)Signal-to-noise Ratio: Greater Than 70dBOperating Current: Less Than 12mAShutdown Current: Less Than 20uASingle Microphone Endurance: 9 HoursDual-microphone Simultaneous Use Endurance: with Charging Bin Maximum Endurance of More Than 33 HoursMicrophone Battery: 110 mA(Included)Rechargeable Battery: 600mA(Included)Charging Compartment Battery Life: 2.7 Times for Two Microphones at The Same TimeInput Voltage of Charging Compartment: DC4.5-5.2V(Support Fast Charging Adapter)Adapter: 5V/1AOperating Temperature: -10 Degrees Celsius-50 Degrees CelsiusSize Details: Transmitter: 4.6cm x 1.6cm x 1cm/1.81" x 0.63" x 0.39" (Approx.)Receiver: 4.2cm x 1.5cm x 0.72cm/1.65" x 0.59" x 0.28" (Approx.)Charging Warehouse: 7.7cm x 6.Size: 7.7cm x 6.2cm x 2.7cm/3.03" x 2.44" x 1.06" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Receiver 2 x Transmitter1 x Charging Warehouse1 x Type-c charging Cable1 x User Manual