Talk Range:Depending on the walkie-talkie Storage Channel:Depending on the walkie-talkie Is,Display:No. Length of the air sound tube (elasticity): 30-40cm Frequency Range:Depending on the walkie-talkie Type:Accessories. Walkie Talkie Type:Portable. Maximum Range:5km-10km. A remote microphone with push to talk button you can clip anywhere. The transparent tube connecting the ear bud makes you look like a secret service agent or a body guard and protects you from radiation. The ear bud / speaker fits snugly to ear, which keeps your conversations private. Connector Type: Y Type. Weight: 47g. Application for the people work in police station, hospital, security office, eatery, hotel, etc Air sound tube Features: 1. Transparent catheters, sound through the air through the tube, isolated from the electromagnetic radiation damage to the brain. 2. The catheter is removable and replaceable. 3. Earplugs are soft, removable and replaceable. 4. The assembly is simple and does not require any tools. 5. Concealed, widely used in police / security personnel. Compatible for YAESU Vertex Radios: (For your convenience find the model, press " CTRL + F", enter the model you need to find out.) VX VX-1R, VX-2R, VX-3R, VX-5R, VX-8GR, VX-10, VX-14, VX-17, VX-110, VX-130, VX-131, VX-132, VX-146, VX-150, VX-160, VX-168, VX-180, VX-210, VX-210A, VX-300, VX-350, VX-351, VX-354, VX-400, VX-410, VX-420, VX-420A, VX-427 FT FT-10R, FT-40R, FT-50, FT-50R, FT-51R, FT-60, FT-60R, FT-250R VXF VXF-1, VXF-2, VXF-10, VXF-20, VXT VXT-10, VXT-20, for SIMOCO TSP-2100, TSP-2400, for AIRTECH ATS/AT-Series, AH-203N, ATS-105, colour:black Material:PVC size:Line length: 120CM Package Contents: 1*Walkie talkie headset microphone Notice: If your radio model not listed above, please see my other item or email us your model number, then, we will help you find one that suit for you. This earpiece is a walkie-talkie dedicated earpiece for YAESU , It can not be used for mobile phones. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.