BOYA WMic5-M5 Video Recording Wireless Microphone Lapel Clip Mic,1 Transmitter + 1 USB-C Receiver Lightweight and portable,easy to carry and use Dual-channel recording,with one-click noise reduction and real-time monitoring functions Plug and play,compatible with a variety of devices with a Type-C interface Support live streaming on different platforms Specification: TX transmitter: Transmission method: 2.4GHz ISM band Signal modulation: GMSK Operating distance: up to 60 meters (barrier-free) RF output power: 78dB Power supply method: built-in lithium battery power supply/USB-C DC 5V Built-in battery nominal voltage/capacity: 3.7V/180mAh Built-in battery life: about 10 hours Antenna: PIFA Audio input source: built-in microphone Weight: approx. 14.5 g Dimensions: 45.9x23.9x15 mm Working temperature: -10℃ ~ 50℃ Storage temperature: -20℃ ~ 60℃ RXU receiver: Transmission method: 2.4GHz ISM band Signal modulation: GMSK Operating distance: up to 60 meters (barrier-free) RF output power: