ITEM NAME:Walkie Talkie Air Acoustic Tube Headset for HYT Hytera PD600 PD602 PD605 PD H4Z3 Walkie Talkie Air Acoustic Tube Headset for HYT Hytera PD600 PD602 PD605 PD H4Z3 All of our items are brand new. Split design, convenient to replace.Transparent catheter is close to the body color, easily hidden It has the high quality, strong, durable, environmentally friendly PU cable. A remote microphone with push to talk button you can clip anywhere. Suitable for retail, entertainment, hotel, restaurant and other business users. Speaker dimension: diameter 16mm Speaker impedance: 90 Ohm+/-15% Rated input power: 1W Max. Input power: 1.5W Sensitivity: 116+/-3dB/1KHz Distortion rate: Less than 5% Frequency response: 200Hz-20 KHz MIC dimensions: diameter 6.0x2.2mm MIC sensitivity: -50+/-3dB/U=2V;R=2.2K Ohm,1KHz Color: Black Material: PVC Weight: 66g Compatible radios: For Hytera HYT PD600, PD602, PD602G, PD605, PD660, PD662, PD662G, PD665, PD680, PD682, PD682G, PD685, X1e, X1p Package Includes: 1 * Walkie Talkie Air Sound Tube Headphones 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.