Features:

• Stylish, smart design – This slim wristband tracker, available in multiple colors, complements your style with its distinctive design, metal trim accents and bright, easy-to-read display
• Pulse Ox at your wrist – the Pulse Ox sensor on Vivosmart 4 estimates your body’s blood oxygen saturation level.
• Advanced sleep monitoring – to give you an idea of how you’re sleeping, Vivosmart 4 tracks your light, deep and REM stages of sleep, along with movement throughout the night.
• Optimize your body’s energy – body battery energy monitoring on Vivosmart 4 uses a combination of stress, heart rate Variability (HRV), sleep and activity data to gauge your body’s energy reserves at any moment.
• All-day stress tracking – you most likely experience stress at some point in your day, but how much? Your Vivosmart 4 lets you know when you are having a calm, balanced or stressful day and everything in between.
• Included components: Vivosmart 4 smart activity tracker, charging/data cable, manuals
• 1 Year Manufacturer Warranty
• Model: 010-N1995-00

Condition: Grade A Factory Refurbished
Through the refurbishment process, all units are tested for functionality to ensure they perform like new. Computer may show minor signs of wear although the overall condition is considered good. Everything is guaranteed to be fully functional.