Color Blue + Black + Multi-Colored Material Gel Quantity 2 Piece Massager Part body Principle of Massage High frequency vibration massage Massage Manipulation Vibration blow acupressure massage pat and 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 Others Rate Voltage 4.5V Power 1.5 W Other Features Sore for the parts with larger area. With appropriate massage oil use better effect. Packing List 1 x Massage pads