Three batteries can be at the same time for worry-free range. Prevent overload function, more safety. Memory card can be stored, more convenient. Product Name:Portable quick charger Compatiblity:for Colour:As Shown Material:ABS Package Contents: 1 * Charger hub 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection 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.