Features: 【2.4G Wireless Microphone System】Type-C plug design compatible with most Android devices with USB-C interface including smartphones and tablets can provide sound for live streaming vlogging course recording interview and so on. 【Long Distance Stable Signal Transmission】Adopts 2.4G wireless signal transmission technology which can make wireless microphone disturbed hop frequency parts automatically to realize stable signal transmission in of up to 50m (164ft) without obstacle. 【Noise Cancellation for More Clear Sound】Adopts smart noise cancellation technology which can effectively identify sound and help you record clear sound in a noisy environment. This feature is designed for use suppressing sound of cars and crowds. 【Tiny & Lightweight Wireless Mic】 combined weight of TX and RX is no more than 15g lightweight and portable; automatic pairing easy to get started as long as you plug receiver into device. Because of its ultra-compact size and super lightweight won t tug at your collar when you clip it. 【Support Live Broadcasting and Phone Charging Simultaneously】When receiver is plugged into a smartphone phone can be charged via Type-C charging port on receiver which ensures your uninterrupted work for a long time. Besides built-in rechargeable battery of provides up to 10 hours of run time which helps you get a full day of audio recording. Specification: Brand: BOYA Model: BY-WM3T2 Type: U1(1 & 1 Receiver)/ U2(2 Transmitters & 1 Receiver) for option Transmission Type: 2.4G Digital Frequency Polar Pattern: Omnidirectional Frequency Response: 20Hz-16KHz SNR: 77dB Sensitivity: -42dB Sampling Rate: 48kHz Bit Depth: 16bit Operating (without obstacle): Up to 50m (164ft) Output : 6dbm TX s Battery : 10 hours Battery Capacity: 95mAh Charging Port: USB-C Dimension: 52 * 17.5 * 16.1mm(TX) 46 * 26.2 * 10mm(RX) Weight: 8.5g/0.3oz(TX) 5g/0.18oz(RX) Packing List: 1 * RX Receiver 2 * TX Transmitters 2 * USB-C Charging Cables 2 * Windscreens