3M Half Face Mask Small medical A lithium battery charger is

A lithium battery charger is a device designed to safely and efficiently charge lithium-ion or lithium-polymer batteries

or emergency use

Designed with quality fabrics and a timeless silhouette

this large‑size tip helps improve balance on a variety of surfaces

3M Half Face Mask Small medical A lithium battery charger isReusable half mask respirators cover the nose and mouth to provide respiratory protection from vapors, gases, and particulates. Respirators are NIOSH rated to identify the level of protection provided. Reusable respirators use cartridges and filters that can be customized to filter specific hazards. They can also be changed when they become dirty, allowing the mask to be reused.