A Finger-Worn Controller Adds Cursor and Gesture Input to Multiple Devices
Prolo has designed a Bluetooth ring controller that fits on the index finger and provides a thumb-operated touch surface. It includes a second touch strip for switching among cursor, navigation, touch, and air-gesture modes, with the Pro Edition adding air gestures. The device uses a wide polycarbonate band, comes in US sizes 7–18, and includes shims for fit adjustment.
Prolo’s ring sits on the index finger and pairs over Bluetooth as an input device. Its polycarbonate body is 23 mm wide and 2.9 mm thick, with an 18 × 30 mm capacitive thumb pad and a separate strip for mode changes. It comes in US sizes 7–18; shims adjust minor looseness, and Prolo recommends a sizing kit or printed sizer because normal ring sizes may not transfer.
It connects to one device at a time and switches with a tap-and-hold. Basic controls use standard Bluetooth HID without a dedicated driver or app; Prolo lists Windows, macOS, Linux, Android, iOS/iPadOS, smart TVs, and XR devices. Claimed battery life is up to 10 hours, and the ring is not waterproof.
The ring could appeal to people who juggle laptops, tablets, and phones in small workspaces, since one wearable may reduce controller clutter. It may also interest presenters or media users who want discreet shortcuts, though mode learning and one-device pairing could limit adoption. Its broader effect likely depends on comfort, reliability, and whether developers support gesture customization; it is unlikely to replace mice and keyboards for most users.