Specifications‎:‎This mini USB Bluetooth version 4.0 adapter with high speed transfer rate‎,‎ simple pairing features‎.‎It‎'‎s a simple solution to enable your computer connect with smartphone‎,‎ tablet or other Bluetooth device‎.‎Compatible with most laptops and PC‎'‎s‎,‎ quick and simple setup‎!‎ Just plug‎,‎ install and play‎.‎Features‎:‎Using CSR8510 chip‎,‎ compliant with the Bluetooth 4.0 specification‎,‎ dual‎-mode transmission‎.‎Up to 10m transmission distance‎(‎non‎-blocking‎)‎‎,‎ signaling strong‎.‎Up to 3Mbps transfer rate‎,‎ providing high‎-speed file and audio data transmission‎.‎USB2.0 interface‎,‎ more versatile‎,‎ ultra‎-portable portable mini stature‎.‎Backward compatible with Bluetooth 2.0‎,‎ Bluetooth 2.1‎,‎ Bluetooth 3.0 specification‎.‎Compatible with most operating system‎:‎ Windows 98‎,‎ 98 SE‎,‎ ME‎,‎ 2000‎,‎ XP‎,‎ Vista Win 7/8 32/64 bit‎.‎Type‎:‎ Bluetooth AdapterMaterial‎:‎ Plastic + MetalMain Color‎:‎ Black + GoldenInterface‎:‎ USB 2.0Bluetooth Standards‎:‎ Bluetooth 4.0Transmission Distance‎:‎ 10mProfiles‎:‎ Bluetooth Low Energy‎,‎ Dual‎-Mode BluetoothFrequency Band‎:‎ 2.4 GHz to 2.4835 GHzSensitivity‎:‎ ‎[email protected]‎.‎01%BERRF TX Power‎:‎ +6dBm‎(‎ClassП‎)‎Transfer Rate‎:‎ Up to 3.0MbpsChipset‎:‎ CSR8510Voltage‎:‎ 5V ‎(‎USB Bus‎-Powered‎)‎Power Consumption‎:‎ 5V‎,‎ 90mA MaxStandby Current ‎(‎Connected‎)‎‎:‎ 0.4uAOperating Frequency‎:‎ 24MHzOperating Environment Temperature‎:‎ ‎-20℃ to +70℃‎,‎Operating Environment Humidity‎:‎ 10%‎-90% Non‎- CondensingSize‎:‎ 20mm x 13mm x 5mm/0.79‎"‎ x 0.51‎"‎ x 0.20‎"‎ ‎(‎Approx‎.‎‎)‎Package Includes‎:‎1 x Bluetooth Adapter ‎(‎Come with software CD‎.‎‎)‎