Depth gauge sensor: Yes Sleep apnea detection: Yes Firmware upgradeable: Yes Area calculation: Yes Short Message Service (SMS): Yes Alarm clock: Yes Interval training: Yes Distance travelled: Yes Quality of sleep: Yes Electronic compass: Yes Recommended activity: Cycling Weather display: Yes Virtual racer function: Yes Ambient light sensor: Yes Timer: Yes Recovery time suggestion: Yes Accelerometer: Yes Virtual partner function: Yes Supported applications: Connect IQ Music control: Yes Calendar notifications: Yes Gyroscope: Yes Thermometer: Yes Heart rate measuring: Manual Barometric altimeter: Yes Heart rate monitor: Yes Calendar: Yes Smart notifications: Yes Stopwatch: Yes Music player: Yes Training effect measurement: Yes Activity monitoring: Yes Training recommendations: Yes Personal info management (PIM): Calendar Automatic pause: Yes Smartwatch dedicated buttons: Function Multiple bike profiles: Yes Advanced workouts: Yes Multisport mode: Yes Activity tracker: Yes