Product Features:20000 mAh High Capacity-Say Goodbye to Battery Anxiety20000mAh large capacity, filled to the brim with power. It lasts up to a week on a single charge, so whether you're on a personal business trip or a family trip, you just need one. 2.1A Triple Fast Charging-Always Best Choice Powered by oraimo AniFast technology, it can intelligently identify the charging protocols of your device. The Type-C port and dual USB port configured with Traveler 4 can charge three devices at the same time with the fastest charging speed.Two Recharging Modes-More Ways to Recharge .It comes with Type-C and Micro-USB two recharging ports. Just power up the Traveler 4 with more ways. LED Torch with SOS Light Alarm-Protect You in case of Any Emergency Equipped with a strong SOS lighting alarm, Traveler 4 Pro can give you a hand in case of any emergency. It can also be switched to the LED torch mode for up to 50-night illuminations. Low-current Device Supported-Widely Compatible .It not only supports fast charging of normal devices, but also can automatically switch charging mode once it recognises low-current devices such as wireless earphone and smart watch, avoiding damaging devices. 3D Texture-Superb Surface Protection .The 3D texture provides more comprehensive protection for the power bank surface, which is resistant to stains and scratches and gives you a comfortable grip. Safe Circuit Chip-Reliable and Safe.The premium Lithium polymer chip is not just safe, also has a higher conversion rate, stable voltage and reliable circuit protection. It withstands overcharging, over-discharging and other faults, offering reliable protection for both the power bank and devices.