Features: brand new and high quality Made of high quality material, stable and durable. Easy to use. Completely sealed jack, non-switching. Used for mobile phone, MP3/MP4 player, other electronic equipment. Chassis or panel mounting, allows you connect audio devices such as amplifiers and AV receivers to MP3 Players or smartphones with 3.5mm male plug. Supplied with an attractive knurled fixing nut enabling the socket to be secured to a panel. Specifications: Material:Metal Gender: Female Temperature Range: -30-80 Rated Load: for DC 30V 0.5A Insertion and Extraction Force: 3~20N Lifespan: 5000 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. Package includes: 3 Optinoal Package: Package 1 Include:1x Audio Video Jack Package 2 Include:5x Audio Video Jack Package 3 Include:10x Audio Video Jack