Query: portable charger on a keychain
Power Pod External Phone Charger, Best Portable Charger for iPhone 6 or Newer, iPad Charger, USB Charger, Port 800 mAh Battery, iPhone Chargers As Seen on TV
BUQU Power Poof Portable Charger 2500mAh Cute and Fashionable Power Bank Universal Phone Battery Charger
FLAGPOWER Portable Charger for Apple Watch, [MFi Certified] Pocket Sized Travel Wireless Charger 700mAh Smart Keychain Power Bank for Apple Watch Series 5/4/3/2/1/Nike+