HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Need more than 1? Get a bulk buy discount up to 20% off Main Features: Support Multi-Device Connection Let Your Computer Have Bluetooth Bluetooth Wireless Transmission Comes True Suitable For Bluetooth Earphone Mouse Keyboard Etc. Bluetooth Version: 5.0 Compatible: 2.0 / 2.1 / 3.0 / 4.0 Frequency Range: 2.4Ghz ( 2042-2480Mhz ) Transmission Distance: 0 - 20M Rated Voltage: 5V Interface Type: Usb Operating System: Windows / 2000 / Xp / Vista / Android / Linux / Freertos / Threadx / UltronDiv>SpecificationGeneral Type: Adapter Material: Abs Interface: Usb 2.0 Dimensions And Weight Product Weight: 0.0023 Kg Package Weight: 0.0250 Kg Package Size (L X W X H): 12.50 X 10.50 X 1.00 Cm / 4.92 X 4.13 X 0.39 Inches You Will Receive You Will Receive: 1 X Adpter 1 X Cd