The optical sensor technology in Rhythm+2.0 utilizes green and yellow LEDs to measure blood flow for a highly accurate reading with all skin tones. A built-in accelerometer further assists in providing hyper-accurate measurements.
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- NEW STRAP DESIGN: Flexible, Hook Style armband secures Rhythm+2.0 comfortably on biceps, triceps, or upper forearm. Measurements: 40cm max to 17cm min - 15.75in Max to 6.7in Min.
- LONGER BATTERY LIFE: A rechargeable battery provides up to 24 hours of workout time between charges. It Shares the same (included) charging cradle as the Rhythm 24.
- UNIVERSAL CONNECTIVITY: Works with all Bluetooth Smart and ANT+ enabled devices and equipment: watches, fitness equipment, smartphones, and tablets. Works with over 200 popular heart rate monitoring fitness apps including fit digits, wahoo fitness, map my fitness, run keeper, and more!