Color: MK-8
Frequency range: 470-510MHz
Modulation mode: DQPSK
Audio response: 40Hz-18KHz
Microphone specification: condenser, omnidirectional
Quantity of Channels: 20 in total (4 channels for each unit)
Wireless transmit power: 10dBm
SNR: 96dB
Power supply: DC 3.7V (Built-in polymer lithium battery), DC-5V/ 0.3 -2Aor external power input
Charging input: DC5V/ 0.3 ~2A
Charging duration: 3-5 hours
Continuous service time: 8-10 hours
Recommended use distance: 50m outdoor open space
Operating temperature: 0 5
Storage temperature: -20 +55
Package Include: 1x Transmitter 1x Receiver 1x phone audio cable 1x camera audio cable 1x lavalier microphone 1x Charging cable 1x User manual