Powerboards

Feature:  Effective Blocking Lights  ---- Innovative nose cutout design fits snugly across noses with all shapes; increase the blackout effect by over 99% and make your room pitch black in one second; plus the comfy and breathable high-quality material, you can fall into a...

Features: ►  FISH SCALE GRID DESIGN  ---- Compared with ordinary cleaning rags, our nanoscale cleaning cloth with unique scale weave design has stronger friction, can easily remove dust and stains. Wavy seam allows it to quickly absorb and lock water after contact, leave no watermark...

Features: IMPROVE NIGHTTIME SLEEP -Many people get used to mouth-breathing sleep but few of them know the harm.Studies show that mouth breathing leads to bacterial inhaling,snoring,drooling,dryness of throat during sleeping,long-time of mouth-breathing sleep will affect appearance.Nose breathing leads to more efficient blood oxygenation,more consistent...