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 your smartphone to provide enough power for an additional 70 hours of video playback.* A universal USB-A 2.4A 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 2.0A input allows the power bank to recharge quickly between uses.