... & Function,multi-functions such as GPS tracking , heart rate monitor(ANT+ 2.4G), cadence, speed, calorie, auto lap, vitual training, ... chipset3. Built in high-resolution display4. Long Battery life with 20 hours5. IPX7 Waterproof standard 6. Intuitive graphical interface and ... 9. Built-in high accuracy and reliable pressure sensor10. Support ANT 2.4G heart rate monitor / speed / Cadence sensor Packing ...