1. Secret Service Earpiece: use as surveillance earpiece for walkie talkie radio Enforcement earpiece, security, , , police, nightclubs, , , restaurants, hotels, , warehouses etc. 2. Reinforced Durable Audio Cable: the audio cable is embedded with 2 tensile nylon wires, which allow you to your tasks in extreme environments such as the etc. 3. noise reduction microphone: make you can hear the voices clearly in noisy situations and UV resistant surveillance earpiece with Quick-Disconnect Acoustic Tube 4. Compatible with Radios: APX 900, APX 1000, APX 4000, APX 6000, APX 6000LI, APX 6000XE, APX 7000, APX 7000XE, APX 8000, APX 8000XE, APX 8000H, APX 8000HXE, XPR 6100, XPR 6300, XPR 6350, XPR 6380, XPR 6500, XPR 6550, XPR 6580, XPR 7300, XPR 7350, XPR 7380, XPR 7500, XPR 7550, XPR 7580, XPR 7350e, XPR 7380e, XPR 7550e, XPR 7580e, SRX 2200 5. The dual audio cable allows you to hide the microphone in the sleeve of your hand, allowing you to tasks more secretly. If single audio cable , you have to hang the microphone around your neck, which will make you lose concealment and ease of use color:Black Material:ABS Package Contents: 1 x walkie talkie headset Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.