Shipping Depth: 7.0 Shipping Height: 2.1 Shipping Width: 5.6 Master Pack Qty: 12 General Information Manufacturer: Plantronics, Inc Manufacturer Part Number: 77559-31 Brand Name: Plantronics Product Model: DA45 Product Name: DA45 USB Audio Processor Marketing Information: The DA45 USB Audio Processor helps organizations optimize their unified communications deployment by bringing superior call clarity to headsets for Internet calls and other PC-based voice communications. Compatible with Plantronics H-series headsets, this corded USB-to-headset adapter and audio processor offers advanced audio technologies and several features that help users remain productive and comfortable on the job, including plug-and-play connectivity, ergonomically designed inline controls, and Quick Disconnect capability. Product Type: Audio Processor Product Information Features: Optimized for PC Based Voice Communications Plug and-Play USB Connectivity for Fast and Simple Setup Ergonomic Design with Inline Volume, Mute, and Answer/End for Call Control Miscellaneous Compatibility: H Series headsets