Meet the PUSH Band: an awesome armband that helps tale your training to the next level. It measures your power and velocity. It can also track various workouts and more exercises are added all the time. By measuring your power, the device lets you measure how hard you are working. With velocity based training, you can take your strength and conditioning to the next level.
With the companion app you can set your goal, pick an exercise, and get feedback. PUSH is water-resistant and the armband is sweat-wicking. The battery is good 7 hours of continuous motion recording. It will be compatible with iOS and Android devices. Sets you back $189 at this time.