Features: 1. Made of high quality materials, this product is sturdy and durable. 2. The U-shaped earmuff design, with listening pick-up function, and the user wears small earplugs with integrated communication and hearing protection. 3. Suitable for all Z-TAC series PTT. 4. With new military standard plug, not including PTT, convenient and practical. 5. Lightweight and small size, easy to carry and use. Specification: Condition: 100% Brand New Material: Plastic Optional Style: Z038-BK, Z038-DE Model: Z038 Noise Reduction Function: Yes Type of Plug: Military 7.0 Standard Connector Receptionist Sensitivity: -38dB Pickup Magnification: 4 Times Scope of Application: 70CM Speaker Unit Size: 10 x 5MM Speaker Frequency Response: 20Hz-20KHz Horn Pressure: 4±3dB Battery: 2 x AA Batteries (Not Included) Size: Approx. 20 x 15 x 10cm / 7.9 x 5.9 x 3.9inch Weight: Approx. 779g Package List: 1 x Earphone 1 x User Manual 1 x Earphone Glue 5 x Fittings