Screen resolution:240*296 screen:< 2"display color:color feature:touch screen, build in flash, app control, ip67 waterproof, femininity, kids, sdk available operation system:android, ios camera:no camera band material:rubber case material:alloy function:chronograph, lighting, calendar, alarm clock, week, month, world time, power reserve, remote control, countdown, noctilucent, sleep tracker, speed measurement, fitness tracker, calculators, passometer, call reminder, answer call, push message, message reminder, dial call, heart rate tracker, interactive music, 24 hour instruction, nfc, payment model:gs ultra 8 app:wear fit pro battery capacity:270mah screen size:1.91 inch bt version:5.2 waterproof level:ip67 nfc:yes