Calypso Watch K8500/2 Rubber Strap, Women

Model: K8500 Fitness Tracker. Compatible system: iOS (Version 9 and above) & Android (Version 4.4 and above). Functions: Heart rate variability (HRV). Blood pressure. Respiratory monitoring. Pedometer. Sleep tracking. Alarm reminder. Multiple watch faces available. UV radiation measurement. Multi-sport modes available: walking, running, cycling, hiking, football, basketball. Available languages: English, French, German, Italian, Russian, Japanese, Chinese (Simplified and Traditional). Device language: adapts to the language of the connected phone. User manual available in: English, French, German, Italian and Spanish. Chip: Nordic NRF52832. Sensor: G-sensor. Heart rate sensor.