•2.4GHz transmission technology,2 microphones support recording at the same time,suitable for multi-scene creation •Compatible with TYPE C interface mobile phones (does not support any models for Samsung and for Redmi),compatible with PCs,tablets,cameras,etc. •Open the charging box to power on,put them in the charging box,close the lid and power off •The storage box is also where the transmitter and receiver are paired and charged •Low power consumption,low latency,good noise reduction,high sound quality and clarity •Small and portable,long battery life,plug and play •Transmission distance is up to 80m Specifications: •Microphone: •Frequency: 2.4GHz •Microphone working time: about 7 hours •Charging time: 80 minutes •Total working time: about 35 hours •Microphone battery: 70mAh •Microphone Type: Digital Microphone •Transmission delay: 15ms •Unit weight: 8.2g •Unit size: 47.1*15.04*15.61mm •Indicator light: red/green/blue •Sensitivity: -26dBFS •R/N ratio: 64dB •Receiver: •Frequency: 2.4GHz •Charging method: plug in •Indicator light: green •Unit weight: 4.5g •Unit size: 47.5*13.47*7.95mm •Charging Box: •Battery Type: Polymer Lithium-Ion •Battery capacity: 600mAh •Charging time: about 1.5 hours •Weight: 54.5g •Input voltage: DC 4.8-5.4V Package included: •2 x Wireless Microphones •1 x Receiver •1 x Charging Box •1 x English User Manual •1 x USB Cable •Other items not include