Promotional Lavalier microphone works for Android Type C interface mobile phone (Not support for Samsung and not for Xiaomi Redmi)Plug and play, automatic pairing, no need to download APP and Bluetooth. Our device consists of a transmitter and a receiver (operating range up to 65 feet), just plug the receiver into your Type C device and power on the microphone to start recording. Say goodbye to messy cables and make your streaming easier and more enjoyableWith a built-in large capacity battery, the phone microphone can record continuously for hours without an external battery. With a clip design, it is more convenient to wearBuilt-in noise reduction chip, providing professional full-frequency audio 48KHz stereo sound quality, strong anti-interference ability, effectively identifying the original sound, and still able to record every detail to sound in a noisy environmentBuilt-in omnidirectional microphone, the wireless microphone system has a stable signal and quick response, free from the trouble of frequent re-recording. Specifically designed for Youtube/Facebook Live, TikTok creators, Vloggers, Bloggers, podcasters, interviewers and other video recording enthusiastsSpecification:Frequency range: 2.4GHzCharging voltage: DC 4.8~5.4VTransmission distance: 20 meters (barrier-free)Human obstacle distance: about 7mMicrophone: digital microphoneWorking time: 5hCharging case: it can charge the microphone 4-5 timesSignal-to-noise ratio: 64dBmStart-up current: 1.5~6mACharging interface: Type-CTransmission delay: 18MSStandby current: 4.3~5.5mASensitivity (Microphone): -26dBMicrophone battery capacity: 80mAhAntenna type: ceramic antennaCharging current: 65mAFrequency response range: 20-20KHZCharging case battery capacity: 300mAhPackage included:1 x Lavalier Microphone 1 x Receiver 1 x Charging Case1 x Charging Cable1 x Chinese and English User Manual Other things not included