Bluetooth 4.0 - equipped with the latest Bluetooth 4.0 BLE technology (Bluetooth Low Energy) also backward compatible with Bluetooth V3.0/2.1/2.0/1.1 - Plug and Play - no configuration required (for Win 8, Win 8.1, and Win 10) - Nano design - mini size, ideal for use on the go - Operating system - Supports Windows 10/8.1/8/7/X