Feature:1. Clear: The backlit microphone allows direct keyboard frequency input or keyboard memory channel call. Produces excellent transmission clarity, as well as a powerful speaker.2. Manual Input: When the speaker microphone is transmitting, the microphone allows manual input of DTMF tones for automatic wire bonding.3. Programmable Keys: The microphone provides four user programmable "soft" keys, allowing you to bring frequently used menu items or front panel key functions to your fingertips.4. Multi Purpose: Excellent users in police, military, nightclubs, bars, security, restaurants, hotels, bodyguards, warehouses, building construction, stage, outdoor and noisy environments.5. Application: Portable microphone speaker with button, suitable for YAESU MH48 MH48A6J FT8800R FT8900R FT7900R FT1807 FT7800R FT2900R FT1900R.Specification:Item Type: Speaker MicrophoneMaterial: ABSColour: BlackApplication: Suitable for YAESU MH-48 MH-48A6J FT-8800R FT-8900R FT-7900R FT-1807 FT-7800R FT-2900R FT-1900R.Package List:1 x Speaker Microphone1 x Microphone Clip 2 x Screw