Renanim’s Serenity Flex Series brings adjustable bed tech into the Full size without skimping on features. The frame includes a zero gravity preset, dual massage motors, and built-in USB ports on both sides. That means you can tilt your legs above heart level to reduce spinal pressure, then plug in your phone without hunting for an outlet near the mattress.

The massage function uses two separate zones, so you can work on lower back tension while your partner reads. Three leg-height settings let you adjust the frame’s clearance for under-bed storage bins or a lower profile. Assembly is straightforward, with the mattress retention bar included to keep your full-size mattress locked in place. The frame feels solid, and the unfinished finish means no peeling coating over time.

One honest note: the headboard is not included, so you’ll need to supply your own or use wall-mounted pillows. For the price, you get a functional zero-gravity base with massage and USB charging that actually works for a full bedroom setup.