1. Thickened non-slip base design, placed firmly on the desktop not fall over due to shaking, safe and reliable, convenient and quick to shake. 2. High-speed bearings are silent and noiseless, using cost-effective high-speed bearings, quieter and wear-free, environmentally friendly, energy-saving and pollution-free. 3. You can shake two mobile phones at the same time, one mobile phone is enough, two mobile phones can easily give you 100,000 steps. 4. Intelligent design controls the number of steps, intelligently changes the swing frequency, and intelligently simulates the number of steps, which is more realistic 5. Upgraded eight steel ball counterweights to increase the center of and stability of the product during operation. 6. Plastic magnetic isolation, no damage to the mobile phone, using iron blocks and hollowing to achieve double-layer magnetic isolation, isolating the interference of the magnetic field on Product name: Automatic mobile phone stepper mobile phone during the flashing process. Colour:black Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Mobile phone automatic stepper 1 * Charging cable (rubber band color black and white are randomly matched, don't accept the specified color) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.