Ray-Ban Meta Wayfarer smart glasses combine eyewear, speakers, microphones, cameras, and onboard electronics. For most owners, the limiting factors are battery aging, hinge/wiring fatigue from frequent folding, and damage from drops or lens scratches.
Cameras and speakers can also degrade if exposed to sweat, rain, or repeated temperature swings, and charging cases can fail like any wearable accessory. Repair is worth considering when it's a replaceable accessory (charging case) or a warranty-supported electronics fix, especially if the frames fit well and you use the features regularly.
Replacement becomes more practical if the battery no longer holds useful charge, if hinge wiring causes intermittent audio/camera behavior, or if the frames are physically compromised (which also affects prescription lens mounting). Wearables often have a shorter "useful" life driven by software support and battery health; if both are trending down, replacement is usually the safer bet.