Replacement brush for electric brush head is compatible with Fairywill Set of 5 Black soft toothbrush, FW-507/508/551/515/917/959/2011, FW-D1/D3/D7/D8

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Replacement brush for electric toothbrush, compatible Fairy Will FW-507/508/515/551/917//959/2011/D1/D3/D7/D8, Seago E9/ 507/508/551/2011/917/959/515