FUNCTION: Pretend you're running and have your WeChat program record your steps automatically. GOOD GIFT: your friends or family, a good craft ornament,do you want to rank first in the WeChat sports rankings? Then this is your best choice. EASY TO USE: Phone swing device also can be used as a mobile phone bracket with good view of screen, easy to take. Battery or USB charging to operate, easy to use. HIGH QUALITY: Shake wiggle device is made of high quality metal and plastic,it is to use,It weighs only 354g/12.5oz. It can be disassembled,so it won't take you too much space ,you can take it anywhere. An exquisite decoration that can be placed at home, at school or in the office. USE: Pretend you're running and have your WeChat program record your steps automatically. Apply to most of the APPs on the market, such as: smart bracelet, Wechat movement, etc. Do you want to rank first in the WeChat sports rankings? Then this is your best choice!