Specifications: The audio splitter is especially suitable for earphones with microphone. It has an unique appearance of U shape. The adapter is a 4-bit 3.5mm audio port to two separate 3-bit 3.5mm audio ports. It allows you to connect a microphone and external loudspeakers. It can be used with any portable devices that use 4-bit 3.5mm jack. Item Name: 3.5mm U Shape Audio Splitter Material: ABS, Metal Features: Portable, U Shape, High-quality Transmission Size: 5.2cm x 2.8cm x 1cm/2.05" x 1.1" x 0.39" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x 3.5mm U Shape Audio Splitter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store