ZBNMY Health Smart Bracelet Fitness Tracker, Black, Heart Rate, SpO2 and Sleep Tracking, IP68

The ZBNMY Health Smart Bracelet is an all-in-one wearable that tracks heart rate, blood oxygen, sleep, steps and multi-sport activities without any subscription fees.

Compact and designed for everyday wear, this black ZBNMY fitness tracker pairs with iOS and Android phones to deliver continuous health insights and workout data. Its waterproof IP68 build, long battery life, and more than 120 exercise modes let you monitor activity both indoors and outdoors while the free companion app collects, displays and stores your measurements without recurring charges.

How accurately does it monitor heart rate and blood oxygen?

Advanced optical sensors provide continuous heart rate tracking and periodic SpO2 (blood oxygen) sampling, giving you a general picture of cardiovascular status throughout the day and night. The device records readings automatically and syncs them to the app so you can review trends over time.

• Continuous heart rate monitoring across daily activities and workouts
• Spot and periodic blood oxygen (SpO2) measurements
• Trend history viewable in the free companion app

Can it track sleep and improve sleep habits?

The built-in sleep tracker automatically logs sleep sessions and breaks them down into deep sleep, light sleep and wake periods. This analysis helps you identify patterns and adjust routines, while the app stores nightly summaries to show improvement or issues over weeks.

• Automatic detection of sleep start and end times
• Sleep-stage analysis: deep, light, and awake periods
• Nightly and weekly sleep-quality summaries in the app

What sports and outdoor features does the tracker support?

The ZBNMY bracelet includes more than 120 exercise modes and three GPS-related modes for outdoor walking, running and cycling so you can capture movement tracks on the map in real time. Timed sessions show calories, distance and sport-specific metrics to help you meet training goals.

• Over 120 exercise modes including swimming, triathlon, yoga and climbing
• Three GPS modes with real-time map tracking via your phone
• Workout summaries with calories, distance and duration

How long does the battery last and is it waterproof for daily use?

Thanks to a large-capacity battery and efficient power management, a two-hour charge supports 15–30 days of typical use and 45–60 days on standby. The IP68 rating protects the bracelet from sweat, rain and splashes, making it suitable for handwashing and surface swimming.

• 2-hour charge for up to 15–30 days regular use
• IP68 splash-, sweat- and rain-resistant construction
• Compatible with iOS and Android devices via the free app

Who is this for? The ZBNMY Health Smart Bracelet is aimed at everyday users and fitness enthusiasts who want continuous health metrics without subscription fees. It suits people who need a discreet, waterproof tracker with extensive sports modes, clear sleep analysis, and long battery life—anyone who prefers one-time device use with a permanently free app experience.