TECHGEAR Replacement USB Charger Cable Compatible with Fitbit Charge 4, Fitbit Charge 3, USB Charging Power Cable Compatible with both Fitbit Charge 4 & Charge 3, Health & Fitness Tracker Wristband: Amazon.co.uk:
SDTEK USB Charger For Fitbit Charge 4 / 4SE / 3 / 3SE Activity Wristband USB Charging Cable Cord Wire
Fitbit Charge 4 with GPS In-Depth Review | DC Rainmaker
Charger Clip Compatible With Fitbit Charge 4 / Charge 3, Replacement Usb Charging Cable Cord Adapter For Charge 4 / Charge 3 Fitness And Activity Trac | Fruugo UK