Yealink BH71 Workstation Mono Bluetooth Wireless Business Headset System provides a high-definition audio quality no matter in the car, on the train or in the office whether connect to your smartphone, desk phone or PC. With the 4-mic beamforming noise cancellation technology, you can always be heard clearly. The BH71 also provides an adjustable ear hook for comfortable wearing, and you can pull out the ear hook easily to best fit your ear. Whether you are on-the-go or in the office, BH71 can guarantee 10-hour talk time to secure your all-day use.  BH71 Workstation has a station, it can connect to your desk phone, PC and smartphone simultaneously and provide you with an all-in-one UC communication experience. The station also has a 3-inch touch screen, a speakerphone, 3 USB 3.0 ports, and a Qi wireless charger for your smartphone, which can make your office look stylish and nice. No matter where you are, navigating the busy streets or working in the office, BH71 can also secure a crystal-clear communication experience with the 4-Mic beamforming noise cancellation technology. BH71 can provide 10-hour talk time which is enough for all-day use. What's more, BH71 Workstation Pro have a portable charging case that can provide the headset an extra 20-hour battery life of talk time. When you are not using the headset, just put it in the case to charge it. The charging case can be used for one week and help you fight till the last minute without power anxiety when on-the-go. (BH71 model offers a carrying case without built-in battery) BH71 Workstation has an all-in-one station. It can connect to the desk phone, PC, and smartphone simultaneously and provide you with an integrated communication experience. The station also has a 3-inch touch screen with zero learning cost. It also has a built-in speakerphone to provide multiple communication modes. With 3 USB 3.0 ports, and a Qi wireless charger for your smart phone, the station can help you leave out unnecessary cords and keep your desk clean