Features: Audio adapter converter from the multi-pin to 2-pin plug for radios. It allows the use of a quick-disconnect style audio accessory for radios in different situations. It's-convenient to use, either for personal or for large business. It also prevents wear and tear, prolonging the-life or your radios. A cost-effective choice compared to use the direct plug on the radio models. Specifications: Material:ABS+Metal Size:Approx.5.5x3.3cm/2.16x1.29inch Color:Black For TK3140 TK2140 NX300 TK280TK-385 TK-380 KPG-36 Audio Adapter only, other accessories demo in the picture is not included! Package Includes: 1pcs Audio Adapter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.