1. Can be set to time alarm and hourly punctuation calendar display (12-hour or 24-hour system can be selected)
2. Stopwatch timing function: 2 record storage 1/100 second accurate timing time stopwatch timing up to 23 hours 59 minutes 59 seconds
3. The button adopts a touch micro switch which is sensitive to touch and comfortable to the touch.
4. Anti-magnetic anti-shock waterproof
5. Applicable scene: fitness running cycling swimming and other sports
6. Material: ABS
7. Size: 7.5x6cm

Note:
Waterproofing is life waterproofing and cannot be immersed in water