Nitecore NU21 vs RovyVon Aurora A8 Pro Keychain Flashlight
Weight and specs compared for 2026 — and which one to choose.
Ultralight USB-C rechargeable headlamp with 360-lumen white and auxiliary red beams, built for running and minimalist hiking.
Full details →Compact multi-color keychain light with UV functionality.
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Nitecore NU21 vs RovyVon Aurora A8 Pro Keychain Flashlight: which should you buy?
If saving weight is your priority, the RovyVon Aurora A8 Pro Keychain Flashlight wins — at 15 g it is 29 g (66%) lighter than the Nitecore NU21 (44 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest lighting page, or browse the full gear weight database.