100m Wireless Bluetooth USB Dongle for PDA/PC/cellphone (V2.0 Blue) OS supports Windows 98/98SE/2000/ME/XP and later Support point-to-point(Piconet)and point-to-multipoint connections Sensitity:-8.90dBM@0.1BER / LED status indicator Wireless connection via a USB interface,Work with a Bluetooth headset via audio in/out on a PC or cell phone. Wireless data connectivity between computers and Bluetooth enabled devices Before you buy, please make sure that your device has bluetooth. If it can, you only need to connect this dongle to your computer, your device will transmit and receive bluetooth automatically.