Black Sport Apple Bundle - Size RegularThe first ever waterproof wearable of its kind. Worn on the underside of the wrist, the Reliefband Sport can be toggled between 6 level settings, is battery rechargeable, and will last approximately 30 hours of use on a full charge.Features:Regular Strap Fits Wrists 4 in. -8 in.Black Reliefband Sport & Apple Watch strapWhat's Included:(1) Reliefband Sport (1) Apple Watch strap(2) conductivity gel tubes (1) microfiber carrying pouch (1) USB charger100% Natural:Patented, clinically proven & FDA cleared technology gently stimulates the underside of the wristThese pulses travel through the nervous system to the part of the brain that controls nauseaThe brain then signals the stomach to reduce nausea providing relief