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 SplitterMaterial: ABS, MetalFeatures: Portable, U Shape, High-quality TransmissionSize: 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