【EXTERNAL SOUND CARD】Micolindun external sound card has its own audio chip, can turn one USB port to several 3.5mm ports, so can connect 3.5 mm audio devices like headphones, headset, speakers, microphone, etc. Support single plug and dual plug headphone at the same time, no adapter needed. | 【REPLACE FAULTYDEVICES】Perfect to replace a faulty sound card, damaged 3.5mm audio port, or a broken USB audio adapter. With textile flexible cable of 1.2m, you can put the sound card on your desk, so easily plug your devices without bending over. | 【USB HUB FUNCTHION】Conventional external sound card will take one USB port, meanwhile Micolindun GM-280 expand one USB ports to two. The 2 USB ports are compatible with USB disk, hard disk, mouse, keyboard, laptop cooler, card reader, USB fan and other commonly used USB devices. Quick response, without delay. | 【PLUG AND PLAY】Plug and play, no drivers needed. Compatible with all the commonly used system including Windows XP, 7, 8, 8.1, 10 and Vista, Mac IOS systems. | 【EASY TO CARRY】This little device with diameter of 5,5cm and lightweight of 100g can be easily put in your pocket or handbag without any burden.Frosted surface materialgive you a wonderful touch, the bright RED/BLUE light enhance the atmosphere of gaming.