The phone itself has a wireless charging function that can be wirelessly charged using this product.This product has no built-in battery and needs to be plugged in (USB) to connect to the power source. The product has only one memory button battery, which cannot supply power to the product. It can only maintain normal timing when the power is suddenly cut off.The phone cannot be charged? Under normal use, first determine whether the mobile phone has wireless charging function, and it cannot be used without this function. For the mobile phone model, you can check it onlineDual Alarm Clock Setting:Dual alarm function allows you to set two different wake-up times to ensure couples with different routines or a backup for waking up heavy sleepers.The stylish alarm clock as a decoration for your home and office, and a best gift for kids, teens and heavy sleepers.Colour: BlackMaterial: ABSSize: 16 x 7.5cmPackage Contents:1 x Alarm Clock1 x USB data cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.