Lezyne Micro GPSThe Lezyne Micro GPS is a highly advanced, super compact cycling computer. When paired with the free Lezyne Ally app (iOS or Android), the device turns into a feature-rich system offering turn-by-turn navigation, live tracking, Strava Live Segments and email, text message and phone call notifications. The Micro GPS can also simultaneously pair with ANT+â„¢ or Bluetooth enabled power meters, heart rate monitors and speed/cadence sensors. An advanced recording system combines measurements from GPS satellites, a barometer and an accelerometer for ultra accurate data tracking. Furthermore, the device features customisable screen pages and data fields, boasts a battery that can last up to 14 hours on a full charge and weighs only 29g Here is a full list of sensor and device compatibility Features: High resolution, easy to read screen with backlight Durable, super compact composite construction Super accurate, advanced data recording system combines GPS satellites with a barometer and accelerometer Simultaneous ANT+ and Bluetooth Smart connectivity Multiple real-time features when paired to the Lezyne Ally app Intuitive four button operation Lithium polymer battery Micro USB rechargeable Stores up to 150 hours of ride data Customisable fields and page count Custom alerts and auto pre-sets Extremely weather resistant Includes X-Lock standard mount Runtime: 14 hours Memory: 150 hours max Weight: 29 gramsConnectivity: Receive text, email and phone call notifications when paired with Bluetooth Smart enabled iOS or Android devices Sync rides via Bluetooth Smart to the Lezyne Ally phone app Instant download of ride files (.fit) via plug-and-play flash drive technology (Windows/Mac) and upload directly to GPS Root website for ride analysis Compatible with third-party sites like Strava and TrainingPeaks Pairs with Bluetooth Smart or ANT+ enabled heart rate monitors, cadence/speed sensors and power meters Connects with compatible electronic drivetrains Live tracking and Strava segments Turn-by-turn navigationDisplay Data: Turn-by-turn navigation Live Tracking and Strava segments Electronic drivetrain data Speed: Current, Average, Max Distance: Current, Trip Total, Trip 2, Odometer Time: Ride Time, Clock Date Laps and lap averages Elevation: Ascent, Descent, Current Grade Calories Temperature GPS signal strength Battery life indicator for device and paired peripherals Connected devices icons Bread crumb trail pageBuyÂ Lezyne Nutrition & TrainingÂ from Chain Reaction Cycles, the World's Largest Online Bike Store.