1. IP54-Water Resistance Level: -Avoid oil, dust, rain and water spray. (Do not immerse in water, which damages Microphone). 2. 3.5mm mono earphone jack makes a private communication possible. 3. Clear sound, robust appearance. 4. Comfortable PTT, ergonomic design, comfortable for operation. Solid and durable case, tear-proof cable for maximum durability. 5. It is widely used between police and security personnel. perfect for driving, hiking, hunting, team games, patrol duty and so on. Suitable models:Suitable for GP328PLUS Colour:black Material:ABS Size:10 x 6 x 3cm Package Contents: 1 * Speaker Microphone Only above package content, other products are not included. Note: Light and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.