PAPAGO GLW-HB-US GoWatch 770 Multi-Sports GPS Watch with ANT+ Heart Rate Monitor (Yellow) The Package comes with PAPAGO GoHeart100 ANT+ Heart Rate Monitor that features ANT + 2.4GHz technology. Chest Belt: 26"~36.3". Transmission Range: 16.4' Heart Rate Range: 30~240 BPM Go Watch 770 is the virtual trainer which enables a trainee to set up personal training goals including distance, speed, and time. Support multi-sports mode includes hiking, cycling, running, walking, marathon training, indoor activity. Last 20 days when being used as watch mode and 12 hours batter life with GPS mode after charging for 2.5 hours. Integrated GPS receiver to record exercise routes, elevation, speed. IPX6 / IPX7 Waterproof. The robust and wear resistant design incorporates a special purpose panel from Mitsubishi, Japan. While doing outdoor sports there will be no fear of grinding or scratching the high-resistant screen. Get connected to Run.GoYourLife.com which converts complex activity data into easy-to-view diagram and also allows to share the training statistics with friends.