Personal goals: Yes Timer: Yes Ambient light sensor: Yes Heart rate monitor: Yes Accelerometer: Yes Blood oxygen sensor: Yes SMS notifications: Yes Smart notifications: Yes Stress monitoring function: Yes Quality of sleep: Yes Recommended activity: Fitness Stopwatch: Yes Music player: Yes Heart rate measuring: Automatic Heart rate contact sensors: Yes Vibrating motor: Yes Weather display: Yes Call notifications: Yes Calendar notifications: Yes Activity tracker: Yes Alarm clock: Yes Heart rate sensor type: Optical Market positioning: Smartwatch Shape: Rectangular Band colour: Grey Closure type: Single prong strap buckle Watch case colour: Grey Water resistance: 5 ATM Buckle colour: Black Band material: Silicone Suggested gender: Any gender Colour name: Slate Removable strap: Yes Battery technology: Lithium-Ion (Li-Ion) Battery life (max): 264 h Battery life: 11 day(s) Battery life (GPS mode): 26 h Thickness: 7.9 mm Depth: 41 mm Width: 46 mm