18650 oem power bank box case with led lightproduct description Cylinder shape power bank, very ... no need to worry when you out of office with low power on smartphone. Suits for most of smartphone, ... sleep, non-working state automatic dormancy, prevent power lossCompatible with all USB charging devices, such as a variety of ... will be proceed.2. Q: Will it come with the retail box?A: Yes, we will send it ...