Avantree Bluetooth usb dongle/bluetooth adapter creates cable-free connections between your PCs and other Bluetooth devices such as Bluetooth enabled speakers, cell phones, keyboard or mouse at speeds of up to 3 Mbps. And it is fully qualified Bluetooth 4.0 system and it smoothly supports backward compatible Bluetooth V3.0/2.1/2.0/1.1 and Bluetooth Low energy. It??s compatible with Windows 7/8 /10, XP, and Vista. For Windows 7 and above versions, it supports plug and play.

Product Features
* Ultra-compact, easy carrying and space saving.
* Experience stereo audio with Advanced Audio Distribution Profile (A2DP) support.
* Bluetooth Low Energy (BLE) protocol support.
* Up to 3 Mbps data transfer rate with Enhanced Data Rate (EDR) support.
* LED indicator indicates device status.
* Backward support classic Bluetooth V3.0/2.1/2.0/1.1
* Networks a Windows computer to Bluetooth devices such as keyboards, mice, headsets, and mobile devices.

Specifications
* Bluetooth version: 4.0 with EDR - data transfer rate up to 3Mbps
* ISM Band: 2.402-2.480GHz
* Operation range: up to 10 meters
* LED Indication: Power on, Linking and Standby
* Software driver: IVT Blue Soleil 9.X (Not a must to install for Windows 7 and above versions)
* Support Profile: Serial Port, Object Push, File Transfer, LAN Access, Personal Area Network, Audio Gateway, Headsets, HID, Keyboard, Mouse, HCRP (Printer Cable Replacement), PIM, Synchronization Profile, A2DP, AVRCP

Compatibility
* PC??s/laptops running 32/64-bit Windows 10, 8, 7 & Vista
* Bluetooth-enabled devices, like smart phones, headsets & more
* Not compatible with Mac system

• If you need a Bluetooth usb dongle for working on the go, the DG40S from Avantree is ultra compact and space saving, making it easy to carry around with you on your travels (or just around the office!) and it??s even able to fit right in your pocket!
• You can relax in the knowledge that you??ll be able to easily start working with this Bluetooth USB transmitter, as it has 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.
• Fancy listening to a bit of stereo-quality music while you??re busy working? With this Bluetooth 4.0 USB??s Advanced Audio Distribution Profile (A2DP) support, you can easily do just that! Working really can be fun!
• This Bluetooth adapter for PCs quickly networks a Windows computer to a range of Bluetooth devices. Need to connect a keyboard, your computer mouse, your headset or mobile device? No problem!
• Need a USB Bluetooth transmitter that will work with your computer? Designed and built to suit the requirements of nearly ALL window users. NO EXTRA License fee! Technical Support available 5*12h!

If you need a Bluetooth usb dongle for working on the go, the DG40S from Avantree is ultra compact and space saving, making it easy to carry around with you on your travels (or just around the office!) and it??s even able to fit right in your pocket!Avantree