Color Blue + Black Material Silicone Quantity 2 Piece Massager Part Body Principle of Massage High frequency vibration massage Massage Manipulation Vibration blow massage shiatsu pat scraping therapy Control Mode Switch Number of Massage Heads 1 Set Fuse Protector 50A Thermotherapy Function Yes Timing Function No Digital Strength Shows No Battery included or not No Power Supply OthersN/A Rate Voltage 4.5V Power 1.5 W Other Features Can be used repeatedly; Smear proper amount of essential oil on corresponding parts of body the effect will be better Packing List 2 x Patches