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: Microphone Material: ABS Features: Automatic Connection, Noise Reduction, with Charging Box Transmission Distance: More Than 20 Meters One 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: Support Reverb: Support Sound Delay: Less Than 25ms(18-22ms) Microphone: -42 ± 2DB Omnidirectional Frequency Response: 20Hz-20KHz Sampling Rate: 44.1KHz(Noise Reduction to 32KHz) Signal-to-noise Ratio: Greater Than 70dB Operating Current: Less Than 12mA Shutdown Current: Less Than 20uA Single Microphone Endurance: 9 Hours Dual-microphone Simultaneous Use Endurance: with Charging Bin Maximum Endurance of More Than 33 Hours Microphone Battery: 110 mA(Included) Rechargeable Battery: 600mA(Included) Charging Compartment Battery Life: 2.7 Times for Two Microphones at The Same Time Input Voltage of Charging Compartment: DC4.5-5.2V(Support Fast Charging Adapter) Adapter: 5V/1A Operating Temperature: -10 Degrees Celsius-50 Degrees Celsius Size 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 Transmitter 1 x Charging Warehouse 1 x Type-c charging Cable 1 x User Manual Note: 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. Sold by-YJL official store