Input voltage: DC4.8-5.4V charging
Port: For IOS/For Type C
Battery capacity: 80mAh
Transmission distance: 8m with obstacles, 20m without obstacles
Microphone size: 62*23*28mm
Microphone weight: 7g
Receiver size: 45*27*7mm
Receiver weight: 4G
Microphone: Digital silicone brand
Input voltage: 5V
Microphone battery: 100MAH
Battery charging compartment: 300MAH
Battery life: 10 hours
Signal-to-noise ratio: 64DBM 3-step noise reduction
Transmission delay: 30MS
Sensitivity: -42DB
Frequency response range: 20-20KHZ
Transmission distance: 20M-30m without barriers