Simultaneous Charging: Charge up to three devices at once with a total output of 67W using the two USB-C ports and one USB-A port. When all three devices are connected, the USB-C 1 port delivers 45W of power through PPS / PD charging. High-Speed USB-C Charging: A 67W PowerIQ 3.0 USB-C port provides full-speed charging to USB-C laptops including the MacBook Pro 14". Ultra-Compact: The small and compact car charger, measuring just 2.3 × 1.2 × 1.2 inches, makes it the perfect travel companion for non-stop power on the road. ActiveShield 2.0 Safety System: Provides continuous temperature monitoring and output control to protect your connected device, so you can rest easy while driving.