Renpho Massage Gun Mini GM173 Ideal for People on the Move. Take your massage anywhere you go with a sleek and lightweight device that packs an incredible punch! The mini-sized form factor makes this the most portable RENPHO massager for use anywhere, any time. The perfect lightweight pick for taking along to the gym, rooftop yoga, travels, and more! Compact and Lightweight. Weighs less than 1lb / 500g for easy carrying, ergonomically conforms to the palm of your hand to pinpoint areas of tension with ease. High Torque Percussion Force. Impacts the skin’s surface at a rapid fire rate of 53 times per second to provide effective relief. Stall Force Mechanic. The percussive force of a massage gun is created from the back-and-forth movement of the massage head (amplitude). A higher stall force (the amount of force required to stop the movement of the massage head) allows for an even deeper massage experience. 4 Massage Heads. Get a personalized massage with massage head attachments designed to target soft tissues and muscle groups. Ball Head - All purpose body massage Flat Head - For shoulder blades. U-Shaped Head - For joints, deep tissue, trigger points. Pointed Head - For spine, neck, Achilles tendon. 5 Speed Levels. Find the ideal massage intensity and purpose to suit your active workout and recovery needs. Speed Level 1 - Warm Up - 1800 RPM Speed Level 2 - Fascial Relief - 2100 RPM Speed Level 3 - Lactic Acid Breakown - 2500 RPM Speed Level 4 - Deep Tissue Massage - 2900 RPM Speed Level 5 - Professional Impact - 3200 RPM Technical specifications: Model RP-GM173 Size: 5.5x 3.4x 1.9 in / 139x 87x 49 mm​ Product Weight: 0.99lb / 0.45kg Noise: <45dB Rated power: 25W Battery Capacity: 2500mAh Input: 5V/2A, DC Charging time: 180 mins Working time: 240 mins In the box: USB-C cable , 4 Massage Heads, Travel Case