About Product:Name: touch-screen multifunctional professional sports pocket size: width 4cm length 24cm (manual measurement), can adjust the size of contraction. Product features: ultra light, non slip, waterproof, reflective can be directly touch screen, shape fashion. Quality grade: first-class product safety technology category: directly contact skin phone capacity: suitable for mobile phone use 1-5.9 screen: suitable for fitness, city jogging, marathon, biking, outdoor travel and so on, for their own use, to deliver the beautiful woman, sent to parents.