BOYA BY-WM4 is a 2.4GHz wireless microphone system, specially designed for iPhone, Ipad and most Android devices and tablets, but also works great with a DSLR camera, camcorder, computer, etc. It consists of a body-worn transmitter , a camera-mountable wireless receiver, a round-the-ring lavender microphone (mosquito), a camera mount, a 3.5 mm TRS cable, a 3.5 mm TRRS cable, a case, foam foam cover and a microphone clip.
The receiver is equipped with a microphone and headphone output. The transmitter has a microphone input, and a line-in input. The range is 15m, and the system can be used in many situations. Compatible with most audio / video equipment such as smartphone, tablet, DSLR, pocket memory, audio recorder, PC etc.
Specification RF modulation: GFSK (Gauss frequency Shift Keying) Frequency band: 2.4 GHz (2405-2478MHz) Frequency response: 35Hz-14KHz ± 3dB Signal / noise: 76 dB or more Distortion: 0.1% or less (32Ω, 1 KHz , 65mW output) RF output level: ≤ 2mW Headphone output level: 32Ω, 65mW Reception sensitivity : -85dB +/- 3dB / 0dB = 1V / Pa, 1kHz Connection for audio input: 3.5mm mini jack Operating range: 15m Current requirement: 1.5 V DC (one AA battery) Battery life: Transmitter: Approx. 3.0 hours Receiver: Approx. 3 hours Dimensions Transmitter: 60mm x 86mm x28mm Receiver: 60mm x 86mm x41mm Weight: Transmitter: 136g (Without battery) Receiver: 152g (Without battery)