Superior Safety?Integrated with multiple power management chip, this type c charger block can protect your devices against over-voltage, over-current, over-temperature, short circuit, etc. If you have any question about the dual 20w usb c block, we are 24 hours online and offer a 18-month replacement support and lifetime technical support. Wide Compatibility?Double c charger block for iphone works flawlessly with all usb c power adapter devices, such as iPhone 14/13/12/11 Series, X/XS/XR/XS Max/SE 2020/8/8 Plus/Galaxy S21/S21+/S20/S10/Note 20/10/AirPods/iPad/Google Pixel etc. Small USB C Block?Equipped with advanced GaN chip, usb c double charger block is 40% smaller than normal 96W charger block. Dual type C charger block is with foldable plug compact design, takes up less space in your bag, prevents scratches and is easy to take this travel charger to anywhere. 3x Fast USB C Charger Block?Two type c port charger provides 3 times faster than original 5w charger, usb c wall charger plug connect a single USB C device to get a 30W max charge, charge iPhone 14 from 0% to 60% in only 30 minutes, PD 3.0 fast charger and fully charge in 95 minutes. Dual usb c charger block also support PPS 25W Super-fast power delivery for Galaxy series. Dual USB C Charger?Highsay 40w double c charger block The maximum power used for a single port is 30w, If two usb c ports are used at the same time,each port of this charging block will automatically allocate the power output (that is 20W+20W) usb c power adapter can charge two devices simultaneously (NOTE: USB charging cable is not included).