Rookie Smart Jump Rope With Donut

Lightweight jump rope that syncs to your smartphone for automatic recording of jump counts and other fitness data.; Donut included; Includes iOS and Android compatible SmartRope app that lets you track and store your fitness data, including calories burned, and connect and compete with friends; Battery included; Battery lasts approximately 6 months if you use the Rookie for about 30 minutes a day; Polycarbonate; ImportedSPECIFICATIONS; 1.1"W x 1.1"H x 6.6"D