Lightweight and compact design, back clip with magnetic suction function, can be easily clipped on the collar Built-in omnidirectional microphone with 20-20KHz frequency response and 78dB signal-to-noise ratio for fuller, higher resolution sound Utilizing 2.4GHz ISM wireless transmission technology, the WMic5 effectively reduces signal interference, and it can be used indoors as well as outdoors to enable seamless recording Make your recording easier by quickly controlling headphone volume, mic mute, and gain Dual-channel recording, with one-click noise reduction and real-time monitoring functions Compatible with a variety of devices Specification: TX transmitter: Transmission method: 2.4GHz ISM band Operating distance: up to 60 meters (barrier-free) RF output power: <10mW Polar mode: omnidirectional Frequency response: 20Hz-20KHz Maximum sound pressure level: 120dB SPL Sensitivity: -39±2dB Signal-to-noise ratio: >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℃ RX receiver: Transmission method: 2.4GHz ISM band Operating distance: up to 60 meters (barrier-free) RF output power: <10mw Power supply method: built-in lithium battery power supply / USB-C DC 5V Built-in battery nominal voltage/capacity: 3.7V/400mAh Built-in battery life: about 20 hours Antenna: PIFA Audio output: 3.5 mm headphone jack / 3.5 mm TRS output hole Weight: about 32g Dimensions: 62.1x31.6x16.5 mm Working temperature: -10℃ ~ 50℃ Storage temperature: -20℃ ~ 60℃