Main features:
- Adopts SMD electronic parts and SMT technology, the transmission distance is up to 50m
- Using the shock return frequency circuit, with a stable frequency, ensures the best possible performance of the microphone
- Distinctive cardioid polar pattern, reduce the noise effectively, capture rich, full-bodied sound from sources that are directly in front of the microphone
- With the noise suppression function, eliminate noise impact of the circuit
- High sensitivity, make the original sound reproduction, clear and crystal sound transmit to others, perfect for broadcasting, teaching, recording, etc.
- Easily clip it to your shirt, tie or pocket, now you can instantly reproduce your voice

Performance parameter:
- Pattern: cardioid polar pattern
- Frequency: 220 - 270MHz
- Frequency response: 60Hz - 13KHz
- Frequency stability: + / - 0.005 percent
- Load impedance: 1000 ohm and more
- S/N: 90dB and more
- Output intensity: 0 - 400mV
- Harmonic distortion: less than 0.5 percent
- Transmitter battery: 1 x 9V battery ( not included )
- Receiver battery: 1 x AA battery ( not included )
- Cable length: 2.5m

Brand:WEISRE

Model Number:DM - 3308A

Package weight:0.289 kg
Product Size(L x W x H):3.50 x 2.00 x 2.00 cm / 1.38 x 0.79 x 0.79 inches
Package Size(L x W x H):28.30 x 9.00 x 7.00 cm / 11.14 x 3.54 x 2.76 inches

Package Contents:1 x WEISRE DM - 3308A Collar Microphone, 1 x Transmitter, 1 x Receiver, 1 x English User Manaual