Slim Power Banks with Built-In Cable

[Format] Professional e-commerce product main image, square 1:1, sleek tech-gadget style on layered blue platforms. [Colors] A background of stepped blue panels (#2a4fd0, #3a63e8) with diagonal light streaks; pearl-white and matte-black power banks; fat white title type; a white badge with red-outlined text at the bottom-left. [Layout] The two-line white title sits at the top with a blue pill beneath it and a device line below; the two slim power banks float on opposing stepped platforms, the white one upper-left and the black one lower-right; a white badge anchors the bottom-left corner. [Subject] Two slim rectangular power banks - one pearl white, one charcoal black - with subtle edge highlights, a small port on each end and embossed brand lettering, floating at opposing diagonals over the blue steps. No people. [Headline] "Built-In Data Cable" in fat white caps; blue pill: "Fast-Charge Ready, Ultra-High Capacity"; sub-line "iPhone & Android" in white; the badge reads "Free Shipping" over "Replacement-Only Warranty". [Badges] The white rounded bottom-left tag with red-outlined lettering. [Mood] Cool, kinetic and spec-led; stepped blue depth with crisp gadget lighting.