New Factory Sealed (see photos)Fast Shipping in US international shipping available via GSP30 Day ReturnsFeatures & detailsCompact Wireless Microphone System: Easy to carry. There is a clip on the back of the receiver and transmitter, which can be directly installed on the camera hot shoe or the mobile phone. A single product weighs only 30g, and there is also no pressure on the collar.Easy To Use: After the transmitter and receiver are turned on, they are automatically connected for about 3 seconds. The receiver can use a 3.5mm TRS or TRRS cable (included in the package) to connect to mobile phones, notebooks, SLR cameras, and other devices to start recording. If the device does not have a 3.5mm interface, please use a standard adapter for transfer (not included in the package).UHF Signal Anti-interference Technology: 30 UHF adjustable channels. C-02 has two transmitters, transmitter channel a, red light, and frequency band range 520.5-549.5mhz. Transmitter channel B, blue light, frequency band range 550.5-579.5mhz. In case of interference or noise, simply press the transmitter set key to switch the channel, and the receiver will automatically adjust the frequency without other operations.Built-In Microphone: Built-in high sensitive capacitor microphone, omnidirectional pickup, stable signal. The package contains a blowout prevention wool ball, which can be additionally installed on the built-in microphone of the transmitter. There is a connection distance of 50 meters (164 feet) without other interferences.Wide Applications: The wireless lapel microphone can be used for live broadcasting or recording programs on third-party platforms such as Tiktok and Youtube. It can be used as a microphone for recording various vlogs and ASMR videos, as well as podcasting or online teaching.