The Garmin Edge 840 is a compact GPS cycling computer featuring a touchscreen and buttons, targeted adaptive coaching, advanced navigation, and a suite of performance-tracking features. It's designed to enhance your cycling experience with precise data and intelligent guidance.   

Product Specifications:

• Display: Touchscreen and Buttons
• GPS: Multi-GNSS (GPS, GLONASS, Galileo)   
• Battery Life: Up to 42 hours in power-save mode   
• Connectivity: Bluetooth, ANT+, Wi-Fi
• Navigation: Turn-by-turn, ClimbPro, Trendline Popularity Routing   
• Coaching: Adaptive Coaching Plans, Real-time Stamina   
• Sensors: Compatible with various power meters, heart rate monitors, and speed/cadence sensors   

Key Features:

Touchscreen and Buttons: Offers versatile control with a responsive touchscreen and physical buttons, ensuring usability in all weather conditions.   
Targeted Adaptive Coaching: Provides personalized training plans and real-time guidance based on your performance and goals, optimizing your training.   
Advanced Navigation: Features detailed turn-by-turn navigation, ClimbPro for ascent insights, and Trendline Popularity Routing to find the best routes.   
Real-time Stamina: Monitors your effort and provides real-time data on your remaining stamina, helping you manage your energy during rides.
Connected Features: Offers seamless connectivity with smartphones, sensors, and other Garmin devices for data syncing, live tracking, and smart notifications.   

How it Works:

The Garmin Edge 840 uses multi-GNSS technology to accurately track your location and ride data. It gathers information from various sensors, including speed, cadence, heart rate, and power. The device's adaptive coaching feature analyzes your performance and provides tailored training suggestions. The navigation system guides you with turn-by-turn directions and insights into upcoming climbs. All data can be synced and analyzed through Garmin Connect.   

FAQs:

Does it have a touchscreen?

Yes, it features a touchscreen and physical buttons.

Can it provide turn-by-turn navigation?

Yes, it offers advanced navigation features, including turn-by-turn.

Does it offer coaching features?

Yes, it provides targeted adaptive coaching plans.

Can it connect to power meters?

Yes, it's compatible with various ANT+ and Bluetooth sensors, including power meters.