Stay charged anywhere with this slim and lightweight power bank (a.k.a. portable charger) that fits in your pocket or bag. 10,000 mAh recharges a smartphone up to 3 times. A universal USB-A 2.4 amp port delivers up to 5V to quickly and safely charge devices like smartwatches, fitness bands, headphones, speakers, action cameras, and Bluetooth-enabled devices. A 5V 2.0 amp input allows the power bank to recharge quickly between uses. 10,000 mAh can recharge a smartphone up to 3 times over, providing an additional 25 hours of call time or 21 hours of web browsing. 2 universal USB-A ports deliver 5V 2.4 amp output so you can charge your devices in no time, just use the cable provided to begin charging. Recharge between uses quickly with 5V 2.0 amp input via a micro-USB port. Simply connect to a wall charger or other power supply using the Micro-USB cable provided to recharge your power bank (a.k.a. portable charger). Beautiful slim design and lightweight components mean this portable charger can fit right in your pocket or bag. Durable plastic casing keeps the internal circuit board safe as it travels with you. Powerful polymer battery cells are efficient and lightweight alternatives to traditional cells, making Pocket Power 10K even easier to transport. Don't pick and choose what to charge. 2 USB ports allow you to charge up to 2 devices at the same time so all your devices are always ready to go. Belkin batteries include sensors monitoring heat, voltage and circuitry so the power bank (a.k.a. portable charger) will not overheat and harm your devices. Excess heat, voltage fluctuation or circuit abnormalities activate an override that shuts the battery down immediately for ultimate safety.