1Made of high quality material, durable to use. 2Pretend you're running and have your WeChat program record your steps automatically. 3It also can be used as a mobile phone bracket with good view of screen, easy to take. 4Battery or USB charging to operate, easy to use. 5Perfect gift for your friends or family, a good craft ornament.Features:Made of high quality material, durable to use.Pretend you're running and have your WeChat program record your steps automatically.It 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.Perfect gift for your friends or family, a good craft ornament.Specification:Material: Metal & PlasticWeight: 354g/12.5ozBattery Model: 4*AA Battery (NOT included)Color: As pictures shownSize: 20*11*11cm/4.7*4.3*4.3inchPackage List:1Set x Mobile Phone Wiggle Device1 x USB CableNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.