It is designed to make calls, know their location in real time, send voice messages, set up alarms or enable blocking schedules. Additionally, it is designed to be used for shallow water, therefore, it can be submerged up to 50 centimeters for a maximum of 30 minutes. If this limit is exceeded it might suffer irreparable damages, which is why, it shouldn't be used for swimming pools.
A SoyMomo H2O weighs approximately 50 grams and is 25 centimeters long, enough to fit around any wrist (20 centimeters of extra straps). The material used has passed high security tests for children, which it has been proven to be safe for daily use.