Electron Eleven Dijing Band with hairbrush and massage function, black. - Model Name: Electron Denki Bari Brush - Color: Black - Accessories: Instruction manual, charging cable - Functions: Hairbrush function, massage function - Manufacturer: GM CORPORATION I purchased this item online from GM Corporation, the official retailer. I have used it a few times. It has been disinfected with alcohol and its operation has been confirmed. It has a serial number. The warranty is included, but the period has expired. Thank you for viewing.