Blackleaf professional Health & Household brand is committed to provide you a excellent shopping experience with high-quality material, exquisite technology, perfect design, attentive service. If you have any questions, please don't hesitate to contact us immediately by email and we will solve your troubles at once. 4 Replaceable Massage Head -- Round Head: Suitable for large muscle groups such as arms, back, hips, thighs, calves. -- Flat Head: Used to help shape the muscles of the body relax. -- Bullet Head: Suitable for deep tissues, acupoints, meridians, joints, palms -- Spinal Head: Suitable for shoulder, neck, spine, achilles tendon 5 Adjustable Speed -- 1 (1600rpm) for light warm-up -- 2 (2000rpm) for deep muscle relaxing -- 3 (2400rpm) for muscle recovery -- 4 (2800rpm) for precise deep massage -- 5 (3200rpm) for professional massage Parameter: Size: 7.4 * 1.8 * 9.1 inch Vibration frequency: 50-60Hz Input voltage: 110-240V Rated Output: 16.8V DC-1A Battery capacity: 2600mAh Speed: 1600-3200 RPM Package: 1 * Blackleaf Professional Massage Gun 4 * Massage Heads 1 * Quick Charge Cord 1 * User Manual 1 * Carrying CaseGreat Gift & Satisfactory Guarantee-Practical muscle massage gun with a delicate package box, ideal as a Birthday, Anniversary, Thanksgiving, Christmas Day gift, suitable for athletes, elderly, or fitness enthusiasts, helping you relax and relief pain. Add it to your cart now, we will always guarantee a risk-free purchase, our massage gun comes with 30days unconditional money-back, 12-month warranty and 7*24h customer service. Weighs Only 2.16 Lbs-Lightweight massage gun, easy to grip and operate, comfortable to massage. Comes with a portable anti-drop carrying case, super convenient to carry on the go, like the gym, club or the office, home, outdoor, travel, enjoy pleasant massage anytime and anywhere. 2600mAh Long Working Time Battery-Muscle massage gun, equipped with a rechargeable and removable Lithium battery, lasts 3-5 hours massage after a full charge (depending on different massage intensity). Auto shutoff after 15 minutes of continuous use to prevent overheating. Effectively Alleviate Muscle Soreness-Interchangeable 4 massage heads for different muscle groups, with 5 adjustable speed, ideal for a warm up, muscle relaxation after exercise or a daily massage. By increg blood flow, breaking up tension, decreg soreness, the percussive massage gun can lead to speedier recoveries, make you feel better and relax. Powerful & Quiet Massage Gun-Professional development team, specializing in motor production for 20 years;private mode muscle massage gun, exclusive appearance, adopt high-torque brush-less motor that works smoothly, provide deep tissue massage with low noise 35-50 dB, silent massage without causing a disturbance.