The ultimate portable power with built-in AC wall plug, certified MFI lightning and micro USB built-in cables. Pre-charged and ready to use! Take it out of the box and use the HALO Sleek 3500 immediately to recharge smartphones, tablets and small electronic devices on the go. The built-in rechargeable battery supports extended hours of talk time over and over again. The built-in AC wall plug lets you recharge the HALO Sleek by plugging directly into the outlet. Comes complete with built in Android and Apple cables so you can recharge two devices at once. No need to carry separate cables.