Description: User-friendly: This walkie talkie is suitable for left and right ears to wear, and is lightweight and comfortable to wear. Push-to-talk: There is a microphone on the earphone cable, just press the button to activate the microphone, then talk. Fits device: This wired headphone is intended for HYT TC310/TC320/TC1688 and can be used directly, has a 2.5mm 1pin interface. Fits places: This walkie talkie earphone can be used in a noisy environment, such as a hotel, bar, night club, for airport, concert and so on. Anti-drop: This two-way radio earphone is designed with a lapel clip, so you can fix the earphone on your lapel, so it won't easily drop. Specification: Connector: 2.5 mm audio interface. Color: Black. Compatibility: Replacement for HYT TC310/TC320/TC1688. Replacement for Motorola for FRS / GMRS：FR50/FR60/GTSpirit GT/FR50/FR60/XTL446/SX700/FV200/FV500. Replacement for T270/T280/T289/T4800/T4900/T5000/T5100/T5146/T5200/T5300/T5320/T5400/T5410/T5412/ T5420/T5422/T5428/T5500/T5512/T5522/T5532/T5550/T5600/T5620/T5700/T5710/T5720/T5725/T5800/T5820/T5920/T5950/T6200/T6210/T6220/T6250/T6300/T6400/T7200. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Please carefully check whether the compatible model is suitable before purchasing. Package Includes: 1 Piece 1 Pin Radio Microphone Headset.