Features: brand new and high quality This Audio Adapter Stick will convert your 2.5mm plug to a 3.5mm plug. Enables your phone to use other 3.5mm plug handsfree to listen to radio or MP3 Easy to use, just plug and go. It's made of gold plating for high performance. The plug can improve the sound quality of transmission and realize stable connection. Specifications: Material:Gold Plated Length:5cm/1.97in Option Type:2.5mm Female and 4.4mm Male;2.5mm Female and 3.5mm Male;4.4mm Female and 3.5mm Male;4.4mm Female and 2.5mm Male Package Includes: 1xBalanced Audio Adapter note: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!