Garmin Forerunner 255 3.3 cm (1.3) MIP 46 mm Digital 260 x 260 pixels Blue Wi-Fi GPS (satellite)

Timer: Yes | Weather forecast: Yes | Depth: 45.6 mm | Heart rate monitor: Yes | Built-in speaker(s): Yes | Clock mode: 12h/24h | Colour display: Yes | Display diameter: 3.3 cm | Wi-Fi: Yes | Display diagonal: 3.3 cm (1.3") | Call notifications: Yes | Band colour: Blue | Music player: Yes | Protection features: Water resistant, Waterproof | USB port: No | Water resistance: 5 ATM | Accelerometer: Yes | Battery life: 14 day(s) | Shape: Round | SMS notifications: Yes | Built-in microphone: No | Thickness: 1.29 cm | Market positioning: Sport watch | Thermometer: Yes | Activity tracker: Yes | Electronic compass: Yes | Built-in camera: No | Automatic daily activity detection: Yes | Recommended activity: Cycling | Lens material: Glass | Smart notifications: Yes | Audible alarm(s): Yes | Display technology: MIP | FM radio: No | Recommended activity: Running | Battery life (GPS mode): 16 h | GPS (satellite): Yes | Mobile network connection: No | Weather display: Yes | Touchscreen: No | Watch glass type: Corning Gorilla Glass 3 | Multisport mode: Yes | Barometer: Yes | Closure type: Single prong strap buckle | Advanced workouts: Yes | Calories burned: Yes | Waterproof: Yes | Display type: Digital | Stopwatch: Yes | Heart rate measuring: Automatic | Heart rate sensor type: Optical | Galileo: Yes | Training programming: Yes | Buckle colour: Black | Personal goals: Yes | Band material: Silicone | Pedometer: Yes | Calendar notifications: Yes | Recommended activity: Swimming | Recommended activity: Golf | Removable strap: Yes | Virtual partner function: Yes | Barometric altimeter: Yes | Weight: 49 g | Calendar: Yes | Wrist size range: 130 - 205 mm | Width: 45.6 mm | Quality of sleep: Yes | GLONASS: Yes | Heart rate data transfer: Bluetooth/ANT+ | Music control: Yes | Heart rate-based calorie computation: Yes | Alarm clock: Yes | Headphone connectivity: Bluetooth | Near Field Communication (NFC): Yes | Bluetooth: Yes | Heart rate contact sensors: Yes | ANT+ enabled: Yes | Built-in distance meter: Yes | Band size: One Size | Time/distance alert: Yes | Interval training: Yes | Battery life (max): 30 h | Auto training program adapting: Yes | Distance travelled: Yes | Activity monitoring: Yes | Gyroscope: Yes | Display resolution: 260 x 260 pixels | Flash memory: 4 GB | Watch case material: Carbon Fibre Reinforced Polymer (CFRP) | Watch case colour: Blue | Watch case size: 46 mm | Standby time (Bluetooth off): 25 h | Blood oxygen sensor: Yes