Specification:Product name: Light therapy massage combPower supply mode: USB cable chargingProduct function: vibration, color light careUse time: 5-10 minutes.Use part: headGear adjustment: 3 gearsFrequency of use: 2-4 times a dayCare cycle: 15/periodProduct size: 18*4.5* 3cmProduct material: ABS+siliconePackage Content:Electric comb*1, manual*1, data cable*1