Used - No manual.
- Records time spent in light, deep and REM sleep stages.
- Choose from 15+ exercise modes like run, bike, swim, yoga, circuit training & more.
- Measure calorie burn, understand resting heart rate & more with 24/7 heart rate tracking and a battery life of up to 7 days (varies with use and other factors); charge time (0 to100 percent) 2 hours.
- Bundle includes Charge 3 with graphite band & spare black band, 1 Charging cable.