Features:_x000D_High-quality materials: The music rhythms dance ferrofluid ornaments are made of high-quality materials. The ambient temperature of the product is between 039;C-60C. It is prohibited to use it in high-temperature environments, especially in high-temperature environments in cars in summer._x000D_Dancing with the music: This product is not a wireless speaker, does not have a speaker, does not emit sound, and does not need to be connected to any lines wired/wireless. The ferrofluid in the glass container will follow the rhythms of external sounds or music when turned on with one click. _x000D_Easy to use: This music rhythms dance ferrofluid ornament is easy to use. Just place the sound receiving hole designed on the back of the product close to the sound source, and the ferrofluid will dancing._x000D_Wireless design: This dancing ferrofluid ornament has a built-in large-capacity battery, which can be recharged, has a long standby time and is easy to charge._x000D_Perfect gift choice: This unique musical rhythms dancing ferrofluid ornament is very interesting and is very suitable for giving to music-loving friends or family member on birthdays, Christmas, Thanksgiving and other festivals._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Material: plastic_x000D_Size: 172*106*54mm_x000D_Power: 10W_x000D_Power input: 5V-2A_x000D_Liquid tank capacity: 100ml_x000D_Battery capacity: 4000mAh_x000D_Charging time: about 8 hours_x000D_Battery life: about 8 hoursPackage List:_x000D_1 x Music Rhythms Dancing Ferrofluid Light_x000D_1 x Correction Magnets