Brand new with box, never worn Nano Sleep Bracelet Steel Case Model - RSLP-BR-NMFBL This Philip Stein Nano Sleep Bracelet® is fitted with an ultra-soft micro-fiber band, perforated to let the skin breathe at night. The stainless steel case houses the unique and clinically proven Natural Frequency Technology®, which works to improve your sleep and overall wellness, helping you wake up feeling more rested. #steel #nanotechnology #new #sleep #bracelet #watch #gift