Avantree DG40 Bluetooth 3Mbit/s

Bluetooth 4.0 USB Adapter Bluetooth 4.0, Class 1, 50M, Data exchange; Music stream,
Avantree DG40 is so tiny, once you plug in USB port, it can instant connect any time and any where.Use it to transfer files on PC with your smart-phone and print wirelessly. Avantree DG40S is fully qualified Bluetooth 4.0 system also it is a dual model dongle supporting Backward compatible Bluetooth V3.0/2.1/2.0/1.1 and Bluetooth Low engery. This Bluetooth Class 1 dongle offers a wireless range of 50 meter. It;'s compatible with Win xp、Viasta、win7 (plug & play).