Panasonic KX-TS710

Panasonic USB Speaker/Handset with Easy Plug-n-Play Setup, Compact Design and High-Quality 8-kHz Sound for Computers and Laptops.

Features: 6 Step Ear Receiver Volume. 6 Step Speakerphone Volume. USB 1.1 Interface. Approx. 1m USB Cable Length. Power Consumption Standby: Approx. 0.47 W Maximum: Approx. 1.4 W. USB Power Supply.