... To Carry Support Hot Plug Easy To Use USB 2.0 Version specification,Support USB 1.1 Version Specification High transmission Speed ... Device LED Lamp Display the Active Status,Built-in Antenna Specifications Specifications Type: USB 2.0,Support:Bluetooth V2.0,Working Frequency ... : 3MB, Sensitivity: -89dBM -Power Needed,Support Hot Plug -DC 5V (USB port) -Max Electric Current:500mA Size: 70 x 23 x ...