bluetooth usb dongle in lipstick shape IVT2.7 software, V2.1+EDR, class 1/2 operation range up to 100m Chipset: ISSC or CSR 1. Lipstick Bluetooth USB dongle 2. Operation range: 20 meters (class 2) or 100 meters (class 1)3. Carrier Frequency: 2.4-2.483GHz4. Spread Spectrum: FHSS5. Data Rate: (Bluetooth v1.2) 1Mbps or (Bluetooth v2.0) up to 3Mbps 6. I/O Interface: USB v1.17. Input Power: DC 5V, USB ...