Working out? Listen to your heart! The advanced "Echo" Smart Heart Rate Sensor from MetroFlash connects you to your body by providing accurate heart rate monitoring to make your workout as effective as possible. It boasts a sleek design, lightweight yet durable construction, and the simplicity of a rechargeable battery. Best of all, its "state-of-the-heart" technology uses an optical sensor to provide spot-on precision that's easily reviewable on your mobile device. This means total accuracy without annoying chest straps. Exercise to your heart's content! Versatile Compatibility Echo is compatible with dozens of fitness apps, like Wahoo Fitness, MapMyRun, EndoMondo, Runkeeper and more. No matter your companion of choice, Echo provides you fast, accurate heart monitoring to ensure you achieve max benefits. Wireless Convenience Utilizing the latest Bluetooth technology, Echo connects your body to whatever Android or iOS device you prefer. It features a wireless range that extends up to 10 meters, making it safe and simple to receive data on your phone or tablet. Easily Rechargeable The hassle of changing a normal watch battery almost ensures you'll never use that watch again. Echo combats this by featuring a simple, rechargeable lithium-ion battery. The included micro USB cable delivers a charge that last 10 hrs. Innovative Design The most attractive feature is its sleek MetroFlash design. With a slim, lightweight exterior, you'll barely know it's there. Better yet, there's no unwieldy chest strap to wrestle with - just state-of-the-art elegance and precision engineering at its finest. Hard-Core Durability Echo is built to stand the test of time. It's waterproof up to 10 meters and drop-resistant up to 1 meter. Beauty, brains AND brawn? Heck yeah! MetroFlash Echo is one of the most advanced heart rate monitors/sensors on the market.
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