It has both Bluetooth and ANT+ connectivity. Included in the box is an outfront mount and a band-mount that should work on stems and bars of different sizes.
I've loved using this computer for weekend rides and a couple of sportives - it has everything you could want from a cycling computer, is easy to use, lightweight and has good battery life. Never been dropped or otherwise abused. Offers in-ride challenges through Strava live segments.
Reports cycling-specific VO2 max and recovery time when used with power and heart rate. Pairs with compatible ANT+® indoor trainers for data display and control. Tracks Functional Threshold Power (FTP), watts/kg and cycling dynamics when used with VectorT or Vector 2 power meters. Connected features¹: automatic uploads, live tracking, smart notifications, send/receive courses, social media sharing, weather. 4.9 x 7.3 x 2.1 cm.3.5 x 4.7 cm. CONNECT IQT (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS). Training, planning and analysis features.
ALERTS (TRIGGERS ALARM WHEN YOU REACH GOALS INCLUDING TIME, DISTANCE, HEART RATE OR CALORIES). COMPATIBLE WITH VARIAT RADAR (REAR-FACING RADAR). SHIMANO DI2 SYNCHRO SHIFT INTEGRATION.Compatible with VariaT bike radar and lights: Yes. Advanced performance and power analysis, including new Time in Zone, FTP tracking, cycling-specific VO2 and recovery and cycling dynamics. Bike trainer profile for compatible Turbo trainer data display and control. On-device segment compatibility for dynamic and engaging in-ride competition.
Operating temperature: -20°C to +55°C. Connected features via a smartphone: Yes. Compatible with Garmin ConnectT and Garmin ConnectT Mobile: Yes.
Compatible with VIRB® action cameras: Yes. Integration with Shimano Di2 electronic shifting: Yes. Preloaded Garmin cycling map: No. ¹ Advanced workouts require a Garmin Connect account.