Can shake two mobile phones at the same time Use two mobile phones to flash the steps simultaneously, eliminating the need to switch between devices Zero wear high-speed bearings Equipped with high-speed bearings for durable, long-lasting performance Intelligent control of brush frequency Simulates daily walking, running, and leisure activities for realistic step counting Silent and noise-free operation Operates quietly and efficiently, energy-saving and environmentally friendly; can be used anytime, including during午休 Plastic magnetic isolation material that does not damage mobile phones Features plastic magnetic isolation to prevent magnetic interference with mobile phones during operation 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 8000 steps per hour or more Package includes: base, frame, USB cable, rubber band Instructions for use: 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 brusher