Wireless USB 2.4GHz Bluetooth 2.0 Dongle Adapter for PC Laptop Notebook BT Class 1 V2.0 USB 2.0 Adapter General Features: Transparent blue BT Ver. 1.1, 1.2, 2.0 compliant USB2.0interface (USB 1.1compliant) 328 feet range (100 meters) Up to 723 Kbps Internet Access sharin Piconet: up to 7 slaves Conforms to RCR-STD-T66 Compact and portable USB bus powered Specifications: Frequency: 2.4 - 2.48 GHz Number of channels: 79 channels Modulation: FHSS/GFSK 1 Mbps 1600hop/s Data transmission speed: 723.2k/57.6 kbps (asymmetrical, max.; 433.9 kbps (symmetrical, max.)