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Hey Georgie. This Samsung wall charger offers 25-watt Super Fast Charging and utilizes Power Delivery (PD) technology for the most efficient charging possible. Any PD-enabled device, including the Galaxy Note10, can charge at speeds of up to 25 watts. Charging rates may vary for other USB-C devices. Your charger cord must be a USB C cord for this to work. If you have any further questions, do not hesitate to reach out to us at Support. -Kelvin
Sorry, there was a problem. Please try again later.Sorry, but maybe not. All Samsung J model devices use micro-usb connectors for charging (with big old usb connector at the other end). Fitbit 2? Never tried. If micro-usb, then no. Would be cool if there was a micro-usb to usb-c adapter. Hmm. HeavyC
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