Features: brand new and high quality. 1. DTMF remote control Mic with speaker for mobile radio. 2. Shoulder speaker mic/microphone for ICOM handheld two-way radio. 3. New HM-133 remote control microphone. 4. Full remote control microphone with keypad lighting. 5. Remote backlit DTMF hand microphone. 6. RJ 45 8-Pin modular connector. 7. Easy to carry and to use. 8. Streamlined appearance and comfortable holding. 9. Strong, flexible and durable cables. 10. Clear sound performance. 11. Used on car radio/vehicle radios. Tips: -DTMF(Dual Tone Multi Frequency) function will open the radio's squelch only when it receives a DTMF code that matches one pre-programmed into your receiver. -Each tranceiver is normally programmed with a unique code. Compatible Models: ID Series: ID-800H, ID-880H IC Series: IC-E880, IC-2720H, IC-2725E, IC-208H, IC-E208, IC-207H, IC-2800H, IC-2820H, IC-E2820 Precautions: DTMF CAN'for T WORK ON IC-706MKII. Specifications: Item Type: Remote Speaker Microphone Color: Black (shown as pictures) Size: 1006030mm/3.942.361.18in (Approx.) Wire Total length: 200cm/6.56ft (Approx.) Interface: 8-pin RJ45 Quantity:1PC (other accessories demo in the picture is not included) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Compare the detail sizes with yours, please allow 1-4CM differs due to manual measurement, thanks! Package includes: 1 X Remote Speaker Microphone (No retail package)