【Safe and Fast Wireless Watch Charging】- Our wireless charger provides a safer and faster charging mode,for a more convenient charging experience,Please take off the watch case and use a 5V/1A adapter or original adapter(ETL/UL Certified) 【Wide Compatible】- Our wireless batteries charger is compatible with iWatch series Ultra2/Ultra/10/9/8/7/6/SE2/SE/5/4/3/2 (including the 38 mm/40 mm/41 mm/42 mm/44 mm/45 mm Version) 【Portable design】- This 3.3Ft charging cable for apple watch is convenient to carry around, especially for traveling，and is suitable as a backup charger for your watch 【Advanced Safety】- Built-in protection device with safety functions such as overcurrent,overvoltage,short circuit and overtemperature protection. Protect your watch battery from overcharging damage.pls note:this is support usb c port,so pls use a usb c PD adapter,and 20w-30w is the best to use 【12-Month Quality Assurance 】- As a responsible brand seller, you will receive hitfine's 12-month Quality assurance and friendly customer service Hitfine for Apple Watch Charger,Magnetic Fast Charging Cable Portable Magnetic Wireless iWatch Charger Compatible with iWatch Series Ultra 2/Ultra//9/8/7/6/SE/SE2/5/4/3/2/1-[4.9FT],Black