NSD Swim Trainer System - NSD Spinner

Your Own Digital Swim Coach: NSD Swim Tracker logs time & speed, counts strokes & calories, measures distance between strokes & more to help you improve. No other swim aid we've seen does so much. Inclusions: Belt & 2 tethers Turns Any Pool Into an Endless Swim Lab: Simply attach 1 tether to your swim belt & 1 to any poolside fixture. Works for swim-in-place resistance training in ponds, too.  Record Your Swim: Want to critique your performance? Simply switch to video mode & easily capture real-time video footage complete with play-by-play statistics. Why pay for expensive swim lessons? Get Fitness Data in Real Time: Your NSD swim monitor has Bluetooth 4.0, so it delivers your data – from strokes to SWOLF scores – directly to your phone or tablet. Works with only iOS device. Download NSD Simmer on iOS App

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NSD Swim Trainer System - NSD Spinner

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NSD Swim Trainer System - NSD Spinner

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NSD Power US: NSD Swim

NSD Power Winners Lit Spinner Gyroscopic Wrist and Forearm

Combined with an LED that varies in intensity, as more energy is captured and converted into electricity by the spinning gyro. Perfect for Beginners

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NSD Power Winners Lit Spinner Gyroscopic Wrist and Forearm

NSD Power Winners Lit Spinner Gyroscopic Wrist and Forearm

NSD Power Winners Lit Spinner Gyroscopic Wrist and Forearm

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NSD Bluetooth Spinner - NSD Spinner