• Designed to be compatible with Fitbit Sense/Sense 2/Versa 4/Versa 3, made of high-quality ABS material, durable and very convenient to use
• The magnetic adsorption charger design keeps the watch securely in place for optimal charging; it can be plugged into the USB port of a PC, laptop, power bank, etc. 
• The charger is safe and reliable. Built-in over-current, over-voltage, short-circuit, over-temperature protection. Using high-quality technology and materials to provide you with safe charging protection and experience
• Lightweight and portable charger for work, home and travel. Put it in your bag and keep your watch full of power all the time

Specifications:

• Product function: Charging
• Input voltage: 5V/1A
• Input interface: USB
• Power cable length: 1 meter
• Product weight: 21g
• Product size: 25*10mm
• Charging protocol: QC2.0