Yealink T53W brings wireless functionality to the everyday VoIP phone. T53W supports 802.11ac Wi-Fi for fast network connectivity no matter where you install it. It also supports Bluetooth for use with wireless headsets. T53W features Yealink Optima HD audio technology, which provides excellent wideband sound quality on the hearing aid compatible handset and full-duplex speakerphone. Yealink Acoustic Shield is a leading background noise reduction technology, particularly useful in open offices. Yealink T53W is designed for people to actually use. It has a large backlit display that makes reading information easy. The display is adjustable, so you can angle it for your convenience.