Number of simultaneously connected devices (max): 2 Black Headphones/Headset, Mobile phone/Smartphone Charging source: USB 10000 mAh USB Type-C connector Lightning connector 1 pc(s) Charge on-the-go without extra cablesThis 10K power bank comes with its own integrated cables, so you never have to remember to bring your own again. Charge your smartphones and tablets on-the-go with attached Lightning and USB-C cables, and enjoy pass through charging that lets you charge your device and recharge the power bank at the same time.Enjoy an extra 31 hours on your phone10,000 mAh of power will keep an iPhone 11 running up to 31 additional hours so youre never without your phone when you need it.Carries its own cablesIntegrated Lightning and USB-C cables are attached to the portable charger so you never have to remember to carry them again. Charge two devices at once with a combined 23W of power, or use pass through charging to charge one device at 18W while the power bank recharges at the same