Huawei might be working on AR/VR glasses with a detachable smart ring strap
Huawei's patent describes AR/VR glasses with a removable strap that converts into a finger ring for gesture-based UI control and automatic headset charging.
picoRing Mouse Research Explores Ultra-Low-Power Wearable Input - Yanko Design
A ring-based ultra-low-power trackball with inductive wristband enables discreet, continuous cursor control in mobile, public, and wearable contexts where traditional mice are impractical.