Chay dua va thi dau
Ghi thoi gian ve dich va tung vong tren duong dua.
Đồng hồ bấm giờ
Dong ho bam gio the hien thoi gian da troi qua den mot phan tram giay. Phep do co the tam dung, dat lai hoac tach vong ma khong dung dem.
Gioi thieu cong cu
Dong ho bam gio rat tien loi khi can do khoang thoi gian tren may tinh.
Tap luyen the thao
Do cac hiep tap trong khi tong thoi gian van dang chay.
Nau nuong
Theo doi chinh xac thoi gian dun soi, nuong banh hoac pha ca phe.