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Transmission rate: Bluetooth adapter supports maximum transfer rate up to 3Mbps and transmission distance up to 33ft/10M in open space.
Designed for Windows. Plug and play for Windows 8/10 system. Driver only needed when your windows 7 and lower system need to connect Audio device, but connect Mouse, keyboard and cell phone no need to install driver
High compatibility: support 32bit/64bit Win 10/8/7/ Vista and XP, enables PC or laptop to connect Bluetooth-enabled devices, like smartphones, Mouse, speakers, headsets. Not work with Mac OS, car stereo systems or TVs
Low energy: USB Bluetooth dongle applies the latest Bluetooth 4.0 with low energy (BLE) technology and it is backward compatible with Bluetooth V3.0/2.1/2.0/1.1
Extremely small: small size allows you to leave it on laptop or PC, no need to remove, it seamlessly gets plugged into a computer/laptop without blocking surrounding USB ports, save space