4G LTE smartphone Android 5.1 (Lollipop) OS Talk Time: up to 15 h The AT&T Kyocera Hydro Air 4G LTE Smartphone has just everything you need to connect to your world on the go. The Android 5.1 (Lollipop) operating system makes it easy for you to complete any task and navigate your device with ease. The Kyocera smartphone is equipped with a virtual QWERTY keyboard for effortless use. Take and share pictures with the five megapixel camera with LED flash, capture fun self-portraits with the front-facing two megapixel camera. It features 8GB of memory to hold all of your photos, videos and apps. This AT&T Prepaid Smartphone has a full HTML browser for effortless web navigation. Its qHD screen provides beautiful display quality. The 2,300mAh lithium-ion provides up to 15 hours of talk time before needing recharging. The phone uses Bluetooth technology for hands-free use. The device is waterproof, for added convenience.