UV light is used at hospitals and other places for sterilization. The Xiaomi Patoneer UVC Sterilization Pen lets you use this technology at home. It has two modes (90s or 60m) and runs on a USB rechargeable 2200mAh battery.
Gaming content, Boosts, & Video subscriptions: TwitchPrime for Gamers, Amazon Video
This sterilization pen uses 253.7nm wavelength UV to get the job done. It is waterproof too. The battery life is about 2.5 hours.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.