This is a convenient adapter cable to convert your smartphone microphone to fit for computer and DSLR cameras. Features: Adapter cable to convert your smartphone microphone to fit for computer and DSLR cameras. 4-pole 3.5mm female plug to 3-pole 3.5mm male jack. Connect the female plug with your cellphone microphone and the male jack with your computer or camera. The cable length is 13cm. High quality and quite durable. Specifications: Cable Length: 13mm Item Weight: 6g / 0.2oz Package Size: 14 * 5 * 1cm / 5.5 * 2.0 * 0.4in Package Weight: 10g / 0.3oz Note: This adapter cable is not compatible for iPad/ switch computer/ MacBook. Package List: 1 * Cable