BOYA BY-WM4 PRO K1 Dual Channel Wireless Radio Microphone [Licensed in Hong Kong]

• Dual channel wireless receiver
• Digital 2.4GHz band
• Very clear sound
• Can be used for mobile phones, SLR cameras, camcorders, computers and other devices
• Lightweight and easy to carry
• Omnidirectional lavalier microphone
• Hard Shell Storage Bag
• Comes with standard camera cold shoe mount and clip
• Obstacle-free operation range up to 60 meters
• The transmitter and receiver each require two AAA batteries for power supply

Product specifications:
RF modulation: Gaussian frequency shift key Frequency band: 2.4GHz (2405-2478MHz)
Frequency response: 35Hz-4KHz±3db
Signal/Noise: Above 84dB
Distortion: less than 0.05%
RF output power: 3mW
Headphone output: 32Ω, 65mW
Sensitivity: -90dB +/- 3dB / 0dB=1V/Pa, ​​1kHz
Audio input line: 3.5mm stereo mini jack Operating range: 60m (obstacle-free distance)
Battery Type: AAA x2
Power consumption: Transmitter: 3V/70mA ; Receiver: 3V/70mA
Dimensions: Transmitter: 45x70x35mm ; Receiver: 45x70x35mm
Weight: Transmitter: 47g; Receiver: 47g