User Manual for CZ Smart Gen2 Hybrid Smartwatches (YF30) Please find this easy to follow set-up guide for Gen2 Hybrid smartwatches. https://www.citizenwatch-global.com/support/pdf/yf30/e.pdf Related articles Where can I purchase a replacement strap? I've placed the Smartwatch onto the charger. Why do I not see the charging indicator on the display? How can I tell if the smartwatch is charging?