It's a Bluetooth USB adapter with Class 1 output power for Windows based PCs. This device can communicate with other Bluetooth devices to form a “Pico-net”. Thanks to Bluetooth technology, users can use this device to do variable applications with other Bluetooth devices, such us Bluetooth mobile phone, headset, Access Point, keyboard, mouse…and so on. Users will find out more pleasure from using Bluetooth technology and feel more freedom and mobility to access other application devices, not limited by cables any more. Features: ■ Bluetooth v2.0+EDR compliant ■ Full speed USB v1.1 Interface ■ Wireless communication within a radius of 100 Meters ■ Connect up to 7 different enabled Bluetooth devices ■ Encryption and authentication ensure safe, secure communications ■ Low power consumption Specifications: ■ Main chip: CSR BlueCore 04 ■ Bluetooth 2.4GHz~2.4835GHz license-free ISM Band frequency hopping ■ Connections within ranges up to 328 feet (100 Meters in open site) (Distance varies depending on actual environment) ■ Connects up to 7 BT devices in a Piconet ■ Data rate: 2~3Mbps (theoretical) ■ Class 1 Bluetooth radio ■ RF module sensitivity: -80dbm at 0.1% Bit Error Rate (BER) ■ Security: encrypted link, authentication Software Specifications: Generic access profile (GAP) Serial port profile (SPP), Service discovery app profile (SDAP), Generic object exchange profile (GOEP), Object push profile (OPP), File transfer profile (FTP), Dial-up network profile (DUN), LAN access profile (LAP), Fax profile (FAX), Headset Profile Human Interface Device(HID) Personal Area Network(PAN) Advanced Audio Distribution Profile (A2DP) A/V Remote Control Profile (AVRCP) Headset Profile (HSP) Basic Imaging Profile (BIP) Environment Operating Ranges : Operating Temperature : 0 ~50° C , Humidity 10 ~ 90% Storage Temperature : -20 ~90° C, Humidity 10 ~ 90% Power Consumption : Typical : 110mA/5V Maximum : Transmit : 200 mA/5V (peak) Receive : 80mA/5V (peak) (Varies depending on use environment) Idle: 26mA/5V Driver Support : Windows 2000, XP and MAC OS 10.1.4 or above