Retevis Ailunce SM01 desk microphone Traditional desk microphone and can work as a regular handheld microphone. Feature and function: 1. Large PTT button 2. PTT lock switch 3. Volume control knob 4. High power speakers at the bottom 5. Omnidirectional gooseneck microphone 45CM 6. GP328PLUS/KENWOOD 2 PIN/RJ45/8 PIN round connectors for more radios (you can choose the appropriate connector according to your walkie-talkie) SM01 specifications Microphone type Unidirectional electret condenser microphone (built-in preamplifier) Microphone impedance 2.2k Sensitivity -36 plusmn; 2dB(0dB = 1v/pa.1kHz) Signal to Noise Ratio 60dB Cable Length 2M,3ft 3 3/8 in Dimension 136*100*40mm (does not include microphone mounting height) Weight Approximately 450g, 12.3oz Recommended models Connector GP328PLUS Ailunce HD1 Kenwood 2-pin connector Retevis RT3S/ RT22/RT21/RT617 RJ45 connector RT95 8 pin oacute;w circular connector Icom7300 Attention please: Walkie-talkie in the following photos are for demonstration only, showing the effect of matching this desktop microphone oacute; In. A stationary microphone is not included in the package. Demonstration of SM01, fit for RT622/RT22 handheld walkie talkies. SM01 demonstration, fit for rt95 mobile car radio. SM01: Package includes: If you only buy SM01, you will get 1 x 45CM gooseneck dook microphone 1 x counterweight and anti-slip mat base 1 x user manual 1 x radio and desktop microphone connecting cable Please choose the right connecting cable Depending on the walkie-talkie: 1 x Kenwood 2-pin connector (optional) 1 x GP328 PLUS connector (optional) 1 x standard 8-pin plug connector (optional) 1 x RJ45 8-pin connector (optional)