Bluetooth 4.0 USB Dongle Dual Mode Support Old Version Bluetooth and Also Bluetooth Low Energy

Specifications Bluetooth 4.0 USB dongle adapter Class 1, up to 50M, Plug and play Data exchange; Music stream, Voip CE, IC, Rohs approval Avantree DG40 is so tiny, once you plug in USB port, it can instant connectivity any time and any where.Use it to transfer files,synchronize contact,and other info. with your speaker, headphone,smart-phone, tablets, print wirelessly. Avantree DG40 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.   * Ultra tiny, plug in once and never unplug again.* Bluetooth 4.0 dual-mode support Bluetooth Low Energy and classic Bluetooth V3.0/2.1/2.0/1.1* Make any computer with a USB port into a Bluetooth enabled laptop / desktop / tablet* Wirelessly communicates with Bluetooth enabled computers, cellphones, tablets, headphone, Bluetooth keyboard and more.* Wideband audio support: provides clear perception of voice when using a Bluetooth headset,and enhance the functionality of echo cancellation and noise reduction* 50 meter wireless range enable you move freely in house