Specification:
Type: Bluetooth Adapter
Model: BTD-401
Weight: Approx. 20g
Size: Approx. 2.2 * 1.5cm / 0.9 *0.6in
For CSR8510A10 original chip: Yes
Bluetooth standard: V4.0 + EDR dual mode
Support Bluetooth CLASS 2: Yes
USB interface: USB2.0 standard, downward compatible with 2.0/3.0 standard
Operating frequency band: 2.4GHz - 2.483GHz, using FHSS (frequency hopping spread spectrum) technology
Operating range in open space: Approximately 20-50 meters
Intuitive software operation interface, no complicated settings: Yes
Applicable to operating systems: For Windows/ME/2000/XP/2003/VISTA/WIN7/8/8.1
For Windows XP SP2/VISTA/WIN7/8/8.1, it is inevitable to drive, easy to carry! (For WIN8/8.1, it can be connected directly to the Bluetooth headphone speaker, other drivers need to be installed)
Data transfer rate: Up to 3Mbps
Sensitivity < -85dBM
Security: Built-in password and user authorization
Power: USB interface directly powered
PC/ for Mac: Bluetooth wireless dial-up Internet access (requires Bluetooth mobile phone and other devices)
PC: Bluetooth wireless LAN, which can make 8 computers with Bluetooth devices become a small wireless network at the same time. It can also use this function to access the Internet through a Bluetooth wireless base station or a computer with a Bluetooth connector. Base station or computer is connected to the Internet)
PC: Bluetooth wireless fax (computer needs to have fax software installed)
PC/for Mac: Bluetooth wireless file transfer
PC/for Mac: Bluetooth wireless data synchronization
PC: Support Bluetooth virtual serial port
PC: Support Bluetooth wireless printing
PC: Support Bluetooth headset
PC /for Mac: support Bluetooth interface (Bluetooth mouse and Bluetooth keyboard)

Package list:
1 * Bluetooth Adapter (NO Drive CD)

Note:
1. Please note that the package ONLY include a Bluetooth adapter.
2. Please allow slight error due to manual measurement. Thanks for your kind understanding.

Connected Devices(Includes all Bluetooth v4.0/v3.0/v2.1/v2.0/v1.1 devices):
1. Bluetooth headset
2. PDA;
3. Mobile phone;
4. Keyboard, mouse;
5. GPS positioning system;
6. Printer;
7. Laptop;
8. Other Bluetooth devices;
9. Desktop computer
P.S. For MAC system can only be used in versions 10.2-10.84.

Driver Installation:
1. There are three options during the installation process: open, disable, select PC/desktop.
2. Please plug in the Bluetooth adapter after installation.