1mii usb bluetooth 4.0 dongle adapter for pc laptop desktop stereo headset, keyboard, mouse, support all windows 10 8.1 8 7 xp vista - b04 upgraded 1mii <b>1mii b04 bluetooth usb adapter for pc with all-new design, makes non-bluetooth pcs and laptops bluetooth-capable. simply plug in the 1mii b04 to wirelessly connect bluetooth-enabled headsets, speaker, game controllers, keyboards, mouse and more.</b><br><br> <b>why choose us? </b><br><br> <b>long range: </b> 1mii b04 bluetooth usb adapter with maximum transfer range of 60ft(20m) in testing with 1mii a06 bluetooth headphones line of sight. note: operation range can be affected by wi-fi routers. and also depends on receiving device.<br><br> <b>wide range of support devices: </b>this usb bluetooth adapter will not only connect your laptop or pc to your bluetooth enabled devices such as keyboard, mouse, printer, headphone, speaker, ps4 but will also assist you transferring files from your phone to the computer and the other way around. <br><br> <b>high compatibility: </b>this bluetooth usb can work with almost all pc/ desktop with windows 10 / 8 / 7 / vista / xp, plug and play only for windows 8/10 system, bluetooth driver needed for other windows system. <br><br> <b>data transfer and audio, skype calls: </b>1mii b04 bluetooth adapter connect your pc to bluetooth headphone and speaker for audio streaming, you even can call on skype if your bluetooth headphone with microphone. this bluetooth usb also can assist you transferring files from your phone to the computer and the other way around (support android system only, not support ios system) <br><br><b>specification:</b><br><br> bluetooth version: 4.0<br> ism band: 2.402-2.480ghz<br> operation range: up to 20 meters/ 65ft<br> chipset: csr 8510<br> bluetooth low energy (ble) protocol support <br> up to 3 mbps data transfer rate with enhanced data rate (edr) support <br> led indicator indicates device status. <br> support usb 2.0 a mail port<br><br><b>