shot-in Wholesale Digital Rubber Jelly Anion Negative Ion Sports Bracelet Wrist Watch (black) Material: HQ silicone rubber (be not harm to arm) Multi functional healthy sports watch. It will help balance the human body's electric balance by Far Infrared Ray and Minus Ion emitted from Tourmaline and minus ion powder Display month, date, time and minute Design elasticity to fit any wrist, very soft and comfortable