脚步计数器 (计步仪，步数仪，跑步计,记步器）（免费版）

Brief introduction:
1. Count your walking/running steps, total distance,average speed, calories burned automatically.
2. You can adjust the time interval to get most accurate step counts.
3. All the history data are saved by time,date,month & year.
4. You can send out the history data by email or SMS.
5. You can select walking mode or running mode based on you speed.
6. You can set you preferred units.