Main Features:● Bluetooth V 2.0， support EDR safe mode;
● USB2.0 specification， backward compatible with USB1.1 / 1.2;
● USB Bus powered， no additional power supply built-in LED work light indication;
● Slim extremely light， built-in antenna， no USB connection to use， easy to carry;
● Frequency: 2.4 - 2.4835Ghz;
● Propagation frequency: Frequency hopping;
● Transfer rate: 3 Mbit / s， transmission speed faster;
● Security: 128 bits safe mode;
● Supports all Windows systems， including Windows vista;
● Wireless transmission of files， video， wireless printing， wireless networking and other functions;
● Wireless connection device ( such as a computer / PDA / cell phone / printers / wireless game controller ) with bluetooth technology;
● Support VOIP voice calls seamlessly connect skype software. Model: CW3620
Standard: All in One
Color: Black
Special function: 0 to 10m transmission distance Package weight: 0.036 kg
Product size (L x W x H): 2.00 x 0.70 x 2.50 cm / 0.79 x 0.28 x 0.98 inches
Package size (L x W x H): 10.50 x 12.50 x 3.50 cm / 4.13 x 4.92 x 1.38 inches Package Contents: 1 x Bluetooth Adapter