Built in battery capacity: 50mAh to 100mAh (inclusive) Shell process: ABS Range: 3-6 hours (inclusive) Rated voltage: 110 Target audience: Home use, computer, stage, recording only, musical instrument, conference only, interview only Microphone type: Lavalier microphone Appearance size: Color box size 140 * 82 * 33mm Wireless: None Signal to noise ratio: ≥ 70dB The small lapel microphone has no wires. You can hold it with your hand or clip it onto your shirt. It can cover signals up to 50 feet, helping you get rid of messy wires and record or shoot videos clearly at farther distances indoors or outdoors. This mini microphone does not need to be surrounded by wires, making it very convenient for influential people to record audio/video on different social media platforms such as YouTube and Tiktok