The Boya BY-WM6S Lavalier Microphone is a compact wireless microphone set for use with smartphones, DSLR cameras, camcorders, and audio recorders. The Boya BY-WM6S uses the UHF frequency and operates between 556 and 576 megahertz (MHz). The transmitter and receiver have a metal housing and an easy-to-read display. A low-pass filter is activated by default to suppress noise and contact noise. This ensures clear sound recordings every time.

• RF Modulation: GFSK (Gaussian Frequency Shift Keying)
• Frequency: UHF (556-576MHz)
• Channels: 48
• Frequency response: 40Hz to 18KHz (+/-3dB)
• Signal/Noise: 82dB or more
• Distortion: 0.1% or less
• RF output power: 10 mW
• Headphone output power: 30mW(16 Ω)
• Receive sensitivity: -98dBm
• Audio input connector: 3.5mm mini jack
• Power requirements: 1600mAh Li-ion battery
• Battery life: Transmitter ± 10 hours
  Receiver ± 10 hours
• Charging time: ± 2.5 hours per battery.
• Charging: DC5V (USB Type-C)
• One-way communication