The smart dumbbell includes both parts hardware(Dumbbell & Sensor Module) and software(APP). The technology is combined with Mobile APP(Move it) through Bluetooth connecting. There are over 100+ interactive training course in the APP, you can exercise with guidance. The sensor fixes in the dumbbells, and can track your action and give feedback to you in real-time when you are exercising. It will tell if you do exercise correctly or not. Charging time is 2 hours and can be used for 8 hours continuously. Its weight is .75KG and is suitable for intermediate users.
Very nice read out, works with the app provided very well. Look forward to many more days using this product to achieve my health and fitness goals.