Talk Range: 3km Maximum Range: 3km-5km Frequency Range: Acoustic tube Earpiece Storage Channel: Depends on your radio Walkie Talkie Type: Portable 1-Pin for Neck Band Type: Accessories Is,Display: No Plug: 1-Pin Plug is,customized: Yes Superb sound transmission, noise cancellation. Extendable neck band design suitable for different people. With the comfortable, detachable acoustic tube and ear-bud, it transmits sound clearly and your communication be covert. Its Finger PTT also enables a convenient and smooth talking. It's widely used by personnel in restaurant, club, shopping mall, police station, and the other places requiring quick and easy communication. Net weight: 219g. Color: black Material: ABS size: 10 x 5 x 2CM jack: 2.5mm Package Contents: 3 x 1-Pin Throat Mic Headset for Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The