This versatile 3-pack of 2.5mm to 3.5mm audio adapters provides the perfect solution for connecting devices with different audio jack sizes. Each adapter features a 2.5mm male connector and a 3.5mm (1/8 inch) female port, allowing you to connect your 3.5mm audio devices to equipment with 2.5mm ports. Built with durability in mind, these compact adapters measure approximately 0.83 inches (21.2mm) in length and 0.41 inches (10.5mm) in width. The sturdy construction ensures reliable connectivity and sound quality transmission. These adapters are ideal for use with various audio equipment, including headphones, speakers, and portable devices. The package includes three identical adapters, giving you spares or allowing you to use them with multiple devices. No batteries required, these plug-and-play adapters offer straightforward functionality for your audio connection needs. The black finish provides a professional look while maintaining compatibility with most standard audio equipment.