With a wireless charger for your smartwatch, you can charge your Apple Watch or Samsung Galaxy Watch. There are separate chargers for Apple and Samsung. There are no differences within a brand. You can use the same Apple Watch wireless charger for different generations of Apple Watch. You can only charge your Samsung Watch with a Samsung charger. If you have an Apple Watch, you can choose from different brands such as Apple, ZENS and Belkin. Some chargers are only suitable for charging your smartwatch wirelessly, but most chargers also have room for extra devices. You can charge your smartwatch, smartphone, and your earbuds at the same time on such a wireless charger. This way, you avoid a tangle of cables on your desk or bedside table.