Pedometers for Steps and Miles Waterproof- Pedometers for Steps and Miles and Heart Rate- Activity Tracker Sleep Monitor Calorie Counter Walking for Men Women Kids IP68 Waterproof Silver

Dial diameter: 42MM style: simple style

Dial thickness: 6MM crowd: suitable for men and women

Total length of strap: 260MM buckle: magnet

Table bandwidth: 20MM waterproof: 30 meters IP68 waterproof

System: Android4.4 and above and iOS7.1 and above