Features:_x000D__x000D_Made of high quality material, durable to use. _x000D_Pretend you're running and have your WeChat program record your steps automatically. _x000D_It also can be used as a mobile phone bracket with good view of screen, easy to take. _x000D_Battery or USB charging to operate, easy to use. _x000D_Perfect gift for your friends or family, a good craft ornament. _x000D__x000D_Specification:_x000D_Material: Metal & Plastic_x000D_Weight: 354g/12.5oz_x000D_Battery Model: 4*AA Battery (NOT included)_x000D_Color: As pictures shown_x000D_Size: 20*11*11cm/4.7*4.3*4.3inch_x000D__x000D_Package List:_x000D_1Set x Mobile Phone Wiggle Device_x000D_1 x USB Cable_x000D__x000D_Note:_x000D_1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_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. 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.