Description: Basic Information Product Name: Electric Massage Membrane Machine Charger Rated Output: DC7.4V Battery Type: High-capacity Battery Capacity: 2200 Mah Continued Air Supply For 6 Hours Massage Gun Rated Speed: 4000rpm Pressure: 5kg Max Weight: 900g Power: 24W Specifications: One Set-top Two Sets Double Head High Frequency Deep Massage Fascia Gun Led Liquid Crystal Display 6-gear Adjustment Double Head Massage Break The Traditional New Design 4 Professional Massage Heads To Take Care Of Every Muscle Group Although The Brush Motor Is Small, Its Strength Does Not Decrease Silent Noise Reduction Design, Less Noise And More Comfort Package Included: 8 x Massage Head 1 x Massage Machine 1 x Charging Cable 1 x User Guide