The Yealink WH63 is an entry-level convertible DECT wireless headset which works seamlessly with major SIP phones and integrates natively with Yealink IP Phones. Yealink Super Wideband HD Audio Technology and Acoustic Shield Technology offer crystal-clear call clarity during phone calls and video conferences. Dual USB ports to connect to your office phone for phone calls and to your computer for video conferences, simple touch controls, convertible design with headband and ear-hook wearing styles, +300-foot range, and 19g lightweight design all make the Yealink WH63 the perfect solution for comfortable, secure, and private business communications.