Usage Tips:Type: Accessories Walkie Talkie Type: Portable Dimensions: as shown Model Number: speaker mic for stp8000 Is,Display: No All of our items are . Waterproof Level: IP54. High-quality microphone and speaker. A remote push to talk button you can clip anywhere. makes it Sturdy and durable. coil cord has Low temperature resistant and Explosion-proof efficacy. It enables you to talk and list en without having to move the radio. Just clip the mic where convenient and use it to listen and transmit. A standard 3.5mm mono earphone jack at the right side of the microphone covered with flap. 360 degree swivel lapel clip. Specifications: Sensitivity: 94 db + / - 3 db Impedance: 8 ohmplus or minus 15% Audio: 2 w. The microphone: Type: electret microphone Frequency: 20-16000 hz Sensitivity: - 40 db + 2 db Impedance: 2.2 Kilohms Compatible for Motorola Models: Sepura STP8000 / STP9000 colour: black Material: ABS Size: 6.0 * 2.7 mm Speaker: 45 mm Line length: 17~130cm Package Contents: 1* Sepura STP8000 Handheld Speake Microphone 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.