Product name: Mobile phone automatic step shaker Product color: black Features: 1. Supports more mainstream pedometer software APPs to automatically change the number of steps every hour, which will not let the APP detect that it is a mechanical step and make it feel like you are just walking, running, and leisurely. 2. No need for rubber band fixation. Say goodbye to rubber bands, simple and beautiful. 3. The automatic gravity cradle is quiet and noiseless. The automatic gravity swing has built-in high-speed bearings. It is quiet, noiseless, convenient, non-weary. It is environmentally friendly, energy-saving and pollution-free. It can also be used for walking during noon sleeping time. 4. Double-layer magnetic isolation will not damage the mobile phone. The iron block is hollowed out to achieve double-layer magnetic isolation and isolate the interference of the magnetic field on the mobile phone during the operation of the brush. 5. Suitable for mobile phones below 6.5in. After many tests on more than 200 mobile phones on the market Matching rate for mainstream mobile phones reaches 99% Product gross weight: 150g Package includes: walker*1 power cord*1