Through-case charging: The LED indicator allows you to easily check the charging status of your device and is designed to be gentle enough that it won’t disturb your sleep. Charges through most lightweight plastic cases - up to 6mm. Most mobile phone cases can be charged wirelessly without the need to disassemble them, just remove the magnetic or metal accessories from the phone/phone case. Ultra-Safe This dual wireless charger is equipped with all available Safety Systems including Foreign Object Detection (FOD), short circuit protection, temperature control and more. Features upgraded design and an internal chip that ensures safe and fast wireless charging. Designed for Samsung Watch: One side of this wireless charging pad (round silicone) is specially designed for Samsung smartwatches and compatible with Samsung Galaxy Watch 3 41mm/45mm/42mm/46mm, Active, Gear S3 frontier. You can charge your watch and phone simultaneously, hide the long redundant cables, make your desk or nightstand neat and organized. It looks great wherever you use it your bedroom, study, hall, or office desk.