Fast charging on the go: The power bank provides power to smartphones, tablets, Bluetooth speakers, and other mobile devices—whether in the office, on a plane, or at the beach. The power bank delivers a boost of energy while traveling; the mobile charger can charge three devices simultaneously. Fast charging technologies Power Delivery and Qualcomm Quick Charge 3.0 ensure extremely fast charging, quicker than with conventional chargers. The optimized charging process protects the battery and extends the lifespan of your phone, tablet, and more. Certified cells for the highest quality and safe charging: overcharge, overvoltage, overheating, and short-circuit protection. Small and lightweight: The power bank fits in any bag and carry-on luggage. Maximum compatibility for all phones, tablets, and other devices, such as smartwatches, digital cameras, or Bluetooth headphones. A single charge of the powerful battery pack is enough to use the Samsung Galaxy S21+ for an additional 165 hours. The power pack is fully charged in 11 hours via the USB-C port. Integrated LED capacity indicator: shows in four levels (100%, 75%, 50%, 25%) how much power is still available. 2 inputs: USB-C and Micro-USB. 3 outputs: 2x USB-A, 1x USB-C.