Garmin Forerunner 255 Music black

Screen
Display Type: Digital
Display resolution: 260 x 260 pixels
Touchscreen: Yes
Screen diagonal: 3.3 cm (1.3“)
Screen technology: MIP
Always-on display: Yes
Color display: Yes
Display diameter: 3.3 cm
Watch glass type: Corning Gorilla Glass 3

Services
Built-in microphone: No
Built-in speakers: Yes
Integrated camera: No
FM radio: No
Flash memory: 4GB

characteristics
Heart rate monitor: Yes
Heart rate contact sensors: Yes
Heart rate sensor type: Optical
Heart rate measurement: Automatic
Blood oxygen sensor: Yes
Distance traveled: Yes
Pedometer: Yes
Calories burned: Yes
Accelerometer: Yes
Gyroscope: Yes
Activity tracker: Yes
Multisport mode: Yes
Personal goals: Yes
Sleep quality: Yes
Virtual Assistant: Amazon Alexa
Clock mode: 12h/24h
Smart notifications: Yes
Remote audio playback: Yes
Weather display: Yes
Calendar notifications: Yes
SMS notifications: Yes
Timer: Yes
Refurbished: No
Electronic compass: Yes
Music player: Yes
Audible signals: Yes
Barometric altimeter: Yes
Built-in distance measuring instrument: Yes
Alarm clock: Yes
Calendar: Yes
Stopwatch: Yes
Time/distance signal: Yes
Interval training: Yes
Heart rate base calorie calculation: Yes
Continuing training: Yes
Weather report: Yes
Data transmission heartbeat: Bluetooth/ANT+
Automatic daily activity tracking: Yes
Recommended activity: cycling, golf, running, swimming
Activity monitoring: Yes
Music control: Yes
Virtual partner function: Yes
Call notifications: Yes
Barometer: Yes
Thermometer: Yes

network
Mobile network connection: No
ANT+ capable: Yes
GPS: Yes
GLONASS: Yes
Galileo: Yes

Connections and interfaces
USB port: No
WiFi: Yes
Headphone connection: Bluetooth
Bluetooth: Yes

Performance
Rechargeable battery/battery operating time: 336 h
Battery life: 14 day(s)
Battery life (GPS mode): 30 h
Battery life (max): 2 week(s)

Weight and dimensions
Width: 45.6mm
Depth: 45.6mm
Thickness: 1.29cm
Weight: 49g
Dimensions (WxDxH): 45.6 x 45.6 x 12.9 mm

scope of delivery
Operating instructions: Yes