Mini-USB Bluetooth dongle brings Bluetooth capability to any PC/ Mac device as well as soft-phone compatibility via the Plantronics Spokes free software.

1. 3M: BT300-M for Voyager Edge & Legend UC (B255-M B235-M) with Microsoft
   
2. 3: BT300 for Voyager Edge & Voyager Legend UC (B255 B235) with UC

Each model is offered in two versions:

1. UC standard version supporting call control with Cisco, Avaya, IBM and more UC applications and softphones
   
2. Microsoft certified version: Optimized for Microsoft® Skype for Business, Microsoft® Office Communicator 2007 & Microsoft® Lync™ 2010 supporting one-touch call control