Slim and lightweight black bracelet with a buckle closure. - Color: Black - Design: Slim and lightweight bracelet No box Lightly used, no scratches Weight: 76 grams 2 FIR power elements 2 Magnets L/LL - (17-23 cm) Adjustable buckle closure made of surgical steel. Caution Products with magnetic fields are prohibited for the following people: Pacemakers, neurostimulators, insulin pumps, cochlear implants, or any other implants that use batteries, as magnetic fields may interfere with the operation of these implants.