The waterproof standards of general watches are divided into 30m, 50m, 100m, 300m and 500m. Waterproof depth does not mean the depth in water, but the pressure.
3 ATM: 30 meters waterproof, generally waterproof in life, water droplets splashed when washing hands, raindrops falling in light rain. However, be careful not to wear it for too long, let alone in the sauna.
5 ATM:50 meters waterproof, improving the quality of life. Can be wiped with a small amount of cold water.
10 ATM: 100 meters waterproof, you can wear a watch for car washing and shower activities, but you can't soak in water.
Epson Pulsense Series Smart Watches:
Introduction: Epson smart watch PS-500 has a LCD screen, which can check the heart rate, walking steps, calorie burning and date/time in real time. And you can transfer your own data to online health and/or fitness service software through mobile phone application software of Apple system or Android system, or transfer these data through computer uploading software.
The concept of smart watch appeared at least 2000 years ago: Microsoft launched such a product in 2003. Many companies have started selling such products, including Sony, Pebble developed through crowdfunding channels and Italian company I'm ..