Product Name: Electric Head Massager Sleep Monitor Migraine Relief Massager Insomnia Therapy Release Stress Sleep Therapy Device Sleeping Di USB: USB Power Supply: USB Function: Handheld-Wire Power: Electric Material: ABS Product Description Electric Head Massager Sleep Monitor Migraine Relief Massager Insomnia Therapy Release Stress Sleep Therapy Device Sleeping DiDescription:Color: black, rose goldMaterial: ABSFeatures: head massage, forehead massage, sleep aidBattery capacity: 160 mA, adjustable sizeCharging method: USB cable (included)Instructions:1. The patch is mounted on the massage apparatus2. The product is pressed for 3 seconds to start the product;3. Increase the gear position to start;4, Wear productsProduct size: 15*3.5*4cmNotes:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight deviation for the measurement data.3.Thanks for your understandingPacking list:1Pcs* head massager1Pcs*USB cable1Pcs* patch1Pcs* English manualHow to Use:1Takeouttheelectronicpad.2Uncovertheprotectivecover(needtobesavedforlateruse).3Installthepadtothedevice.4Soakforeheadwithwater.5Wearthedeviceinproperareaaspictureshowsforeffectivemassage.6Selectmodeandintensityaccordingtoyourneed