Buy the dongle to enjoy following benefits: 1. You will have a bonus ringtone CD with each dongle. 2. You will enjoy 35% fedex discount. 3. We promise to ship the products within 3 working days. Specifications: 1. Long distance 20m (66ft) long-distance bluetooth,2 times the distance than the common bluetooth class 2 adapters 2. CD comes with widecome BTW bluetooth management software. 3. Easy to be installed to your computer with driver included in the CD-ROM 4. Plug-and-play device, just plug in this dongle to your computer, and follow the screen instruction CD includes easy-to-use xtnd connect blue manager and M manager 5. Bluetooth specification v1.1 compliant 6. Fully support USB 2.0,1.1 and 1.0 7. Sensitivity: Better than -80dbm Package content: 1 x bluetooth dongle 1 x software CD 1 x ringtone CD 1 x installation manual System requirement: Windows XP/2000/me/98, second ed (se) The item does not support mac, windows 95,98 first edition, nt