4-inch capacitive touch screen 3-ports USB 3.0 Hub Supports Bluetooth Headset Supports BT50 Dongle for PC Supports Busylight Optimal HD Audio Yealink Noise Proof Technology Full-duplex Hands-free Speakerphone with AEC Dedicated Teams Button Microsoft Teams-tailored User Interface Teams and Skype for Business Compatible Cost-effective USB Phone for Microsoft TeamsWorking as a peripheral of computer or mobile phone, the MP50 is ideally designed for daily desktop office and hot-desking by offering softphone users familiar telephonic experience with user-friendly UI and premium audio performance. The ergonomic handset and hands-free microphone are also suitable for customers preferring devices that free from wearing stress.All-in-One UC WorkstationAs efficiency and productivity matter in modern workspace than ever before, an All-in-One UC workstation could be helpful in managing callings across devices.With USB and Bluetooth connectivities, hands-free speakerphone, 4-inch multi-point touch