Features: Compatibility: This charger compatible with Fitbit SenseSense 2Versa 3Versa 4 smartwatches. Not compatbile with Versa 2, Versa, Versa Lite, Versa SE Magnetic u0026 Speedy: the SenseSense 2 charger with strong magnetic, securely hold and keep smart watch in place for charging. It works like the original, a full charge takes about 2.5 hours. Safety Protection: the Versa 3Versa 4 charger build-in smart chips protecting watch from over-current or over-charging. Convenience u0026 Easy to Use: To get a charging, just plug the USB- A into USB port on your PC, laptop, notebook, wall charger or car charger. very convenient to charge your watch at home, in office, in car or on travel. Package includes: 1 x 3.3ft100cm charging cable compatible with Sense, Sense 2, Versa 3, Versa 4 (smart watch is not included). Compatibility: Compatible with Fitbit Sense Compatible with Fitbit Sense 2 Compatible with Fitbit Versa 3 Compatible with Fitbit Versa 4 Specification: Material: ABS Color: Black Input: 5V1A Cable Length: 1m3.3ft Package included: 1 x charger cable for SenseSense 2Versa 3Versa 4 (smart watch is not included) Please Note: We suggest using the computer, laptop or power bank to charge, as the current is more stable. 2. Do not use AC adapter which the power exceed 5V1A to charge, it may damage the watch or charger.