The Microsoft Adaptive Hub allows you to augment traditional keyboards and create custom inputs. This central hub pairs with up to three devices wirelessly or via USB-C:registered:—and connects wirelessly to up to four Microsoft Adaptive Buttons (sold separately).¹ Plus, it can connect to your current assistive technology, such as third-party digital buttons and switches, through five 3.5mm ports. It has a USB-C rechargeable battery. **$60.00 replacement cost