16 RESISTANCE LEVELS: This compact gym exercise rower style workout equipment rowing machine features 16-level tension resistance so you can customize the intensity of your workout. Perfect for weight loss, cardio fitness, endurance/stamina building FITSHOW MOBILE APP: Download the Fitshow app to connect the workout rowing machine with resistance to your iOs/iPhone or Android device via bluetooth so you can record, collect, review exercise data through your smartphone, tablet, laptop, computer