Can shake two mobile phones simultaneously Use two mobile phones to sync step counting at the same time, eliminating the need to switch between devices High-speed bearings for durable performance Equipped with efficient high-speed bearings for long-lasting operation Intelligent brush frequency control Simulates daily walking, running, and leisure activities for realistic step simulation Quiet and noise-free operation Operates silently and smoothly, energy-efficient and environmentally friendly; can run while sleeping Plastic magnetic isolation material protects mobile phones Magnetic isolation prevents interference with mobile phone functions and ensures device safety Product parameters Product name: Mobile phone pedometer Power supply method: USB power supply Compatible device: 7.2-inch smartphone with pedometer function Product material: ABS + 304 stainless steel Step speed: approximately 8,000 steps per hour or more Package contents Base, frame, USB cable, rubber band Usage instructions Place the mobile phone into the frame and secure it with the rubber band. After connecting power, simply push it manually to start Included: 1 set mobile phone pedometer