For Fitbit Versa 4 Smart Watch Charger Cord 1m USB Cable Magnetic Probe Charging DockThe charger is equipped with overvoltage and other protectionsIt can charge safely and won't happen any safety issuesGood anti-interference performance, low working temperature, and provides long service lifeThe upgraded magnetic design enhances the charger's efficiency and speed, and no damage to your smartwatchIt's lightweight and easy to roll and store, suitable for home use, office, and travelingIt's compatible with Fitbit Versa 4 watchSpecification:Input voltage: 5VOutput voltage: 5VOutput current: 1000mAInterface: Probe connectorWeight: 25gCable length: 1mPackage included:1 x Watch Cable ChargerNot included watch