TP-Link UB500 Bluetooth 5.0 Nano USB Adapter ÔÇó Bluetooth 5.0 ÔÇô Applies the latest Bluetooth 5.0 technology, backward compatible with Bluetooth V4.0/3.0/2.1/2.0/1.1 ÔÇó Wireless Connectivity ÔÇô Provides stable and convenient communication between Bluetooth devices and your PC or laptop ÔÇó Nano-Sized ÔÇô Ultra-small for convenient portability with reliable high performance ÔÇó Supported Operating System ÔÇô Windows 10/8.1/7 HARDWARE FEATURES Standards and Protocols Bluetooth 5.0 Interface USB 2.0 Dimensions 0.58 ?ù 0.27 ?ù 0.74 in (14.8 ?ù 6.8 ?ù 18.9 mm) OTHERS Package Contents Bluetooth 5.0 Nano USB Adapter UB500 Quick Installation Guide System Requirements Supported operating systems include Win 10/8.1/7 Environment Operating Temperature: 0Ôäâ~40Ôäâ (32Ôäë ~104Ôäë) Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing