With Smart ID automatically it identifies connected devices and their unique charging requirements & with Qualcomm Quick Charge 3.0 Technology provides 4 times faster than normal charger, the QC 3.0 port is capable of charging compatible devices up to 80% in 35 minutes. Engineered to refuel devices up to four times faster than conventional charging.Powered by Smart ID Technology for fined tuned power output & a more optimized charging cycles. Compatible with a full range of USB connection types, from A to C. Built-in safeguards protect your devices against excessive current, overheating, and overcharging. Charge your devices risk-free with Pebble Quick - PCC3Q without any risk of damaging to your device. Charge three devices simultaneously at full speed with 5V 3A of power output. Warranty 6 Month Replacement Guarantee.