HIGH QUALITY: The phone swing device features the smooth plastic materials do not scratch the pedometers, smartphones and smart watches.
MULTIPLE PURPOSE: the phone swing device can be primary toy, which can be the rotating swing balance ball perpetual motion education toy and children's educational physics science toy, showing the principle of conservation of momentum and energy. can be phone swing device that increasing the number of steps, also cell phone holders, etc.
PRACTICAL DESIGN: since the metal wheels of the phone swing device have been improved on both sides, you won't be bothered by the noise. it can place 2 phones on the support board with rubber straps at the same time to help you and your family to study quietly.
EASY TO USE: just poke the ball and automatically shake, you can easily earn 7,000 steps per hour! (The device has been tested.)
JOY PROVIDER: add the ball to the shaker and easily step through the daily rewards without having to do it outside the game.
