The Yealink WH63 is an ultra lightweight, wireless headset for hands free communications professional. WH63 offers your choice of how to wear it: headband or earhook. Weighing only 19 g (when using the earhook), it still packs in up to 8 hrs of talk time and a wireless range of nearly 400 feet worry free wandering. It has a busylight to let workers know when you need to focus. It has incredible sound enhancements including Acoustic Shield noise reduction and Super Wideband audio quality.