VIITA Carbon - first cloud-free premium Smartwatch | Indiegogo
Active HRV Tachymeter black – VIITA Watches
Viita Titan HRV smartwatch - Mindsparkle Mag
VIITA Active HRV Tachymeter Black, Smartwatch Made of Exquisite Materials, up to 2 Weeks Battery Life, Equipped with GPS, Heart Rate Monitoring, Water Resistant up to 330ft/100m (Silicone Strap) : Amazon.in: Electronics