•Built-in 80mAh battery, 10 hours long battery life to satisfy your daily needs • Suitable for short video, live streaming, all kinds of noisy environments can also be used, don't worry about your working • 20m barrier-free connection made recording more flexible. High-performance wireless microphone with stable signal • Built-in decoding chip, intelligent noise reduction, strong anti-interference ability, effectively recognize the original sound, and can still record clearly in a noisy place • If making Vlog is one of your hobbys, and then this mini microphone is a best choice for you Specifications: • Frequency range: 2.4GHz • Transmitter working current: 11~12mA • Start-up current: 10~11mA • Working current of receiving end: 20~21mA • Power-on current at the receiving end: 8~9mA • Shutdown current: 2~3uA • Working temperature: -10~45℃ • Charging input voltage: DC4.8~5.4v • Working time: about 6H • Charging interface: TYPE-C • Charging time: about 90min • Charging current: about 60mA • Battery capacity: battery 80mAH • Full battery voltage: 4.1~4.25V • Transmission distance: barrier-free distance 20m/ human obstacle distance 7m • Left and right SNR: 64 dBm • Transmission delay: 30MS • Sensitivity (microphone): -42dB • Type of microphone: MEMS microphone Package included: •1 x Microphone •1 x Receiver •1 x English and Chinese Manual •1 x Data Cable •Other items not included