Talk Range:Depending on the walkie-talkieStorage Channel:Depending on the walkie-talkieIs,Display:No. Length of the air sound tube (elasticity): 30-40cmFrequency Range:Depending on the walkie-talkieType: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, etcAir 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-427FT FT-10R, FT-40R, FT-50, FT-50R, FT-51R, FT-60, FT-60R, FT-250RVXF 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:blackMaterial:PVCsize:Line length: 120CMPackage Contents:1*Walkie talkie headset microphoneNotice: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 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.