Withings Activit&eacute; Pop | Activity and Sleep Tracking Watch NONE Made in the USA 1 Sleep monitoring: Sleep cycle analysis (light and deep sleep) silent alarm to start your day with a gentle wakeup vibration Funtowear materials: Activate pop's design extends across the pvdcoated watch case and the smooth silicone watch strap Free health mate app for realtime coaching Battery life: No need to charge activate pop, the button cell battery offers up to 8 months autonomy