Feature: 1. With PTT function and Mic, you can complete the call without a handheld walkie-talkie. 2. G-type ear hook, made of soft material, supporting left or right ear wear, comfortable to wear. 3. With a clothes clip, you can clamp the thread on the clothes to prevent the line from moving. 4. 1 Pin 2.5 mm plug, suitable for most walkie-talkies with 2.5 mm jacks. Specification: Colour: Black Material: PVC+aluminum foil Plug: 1 Pin 2.5mm plug Applicable object: walkie-talkie Use intercom models (applicable but not limited to... Compatible Models: For HYTERA, for Besta TC-310 320 TC1688 EHS12 Earphone, for Motorola T5320/T5420/T5428/T5628/T5728/T6508/T6200C T series and other 2.5mm plug are universal Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.