High-quality lithium polymer battery cell with a 10000mAh capacity provides up to 36 hours of extra power to standard smartphones Versatile power bank is also suitable for charging tablets, smartwatches, Bluetooth headphones and earbuds, and more Dual USB 2.1A outputs allow you to charge two devices at once, with 10.5W rapid charging to save you time Bright LCD screen shows the remaining battery power at a glance Powersafe Management system effectively stops short circuits, overcurrents, and overcharges, protecting the power bank and your devices USB-C input and micro-USB input give you two easy ways to recharge your power bank, with a USB-C cable included for added convenience Textured surface prevents the power bank from sliding around and won't show scratches or fingerprints