SUPER CONVENIENT TYPE-C CHARGING PORT? No need carry the charging cable anywhere when you travel or just go out! This Renpho deep tissue muscle massage gun designed with type C charging port can be charged with most popular type c cable by regular phone adapter or 5V/2A adapter such as a power bank. 2500mAh HIGH-CAPACITY LITHIUM BATTERY&10mins Auto-Off Protection: The muscle massage gun is equipped with a rechargeable 2500mAh high-quality lithium battery, providing stable lasting power. Once 3H charge brings an unfettered deep massage experience. 10mins Auto-off Intelligent timing protection avoids damage to muscles and bones due to too long massage time. 0.68KG SUPER LIGHT&ERGONOMIC DESIGN: Renpho Massage Gun weighs only 0.68kg?it's much lighter than other massage guns in same size, makes it so easy to carry during the whole massage. Ergonomic design, all operations can be completed with only one button by yourself. You can even enjoy the deep tissue muscle massage independently with one hand. SUPER QUIET LESS THAN 45dB: The brushless noise reduction motor is equipped with a new generation of noise reduction technology to control the noise within 45dB, just like whispering in the ear, making the fatigue and soreness of the body all resolved in the silent vibration, you enjoy a quiet moment of relaxation!. HIGH SPEED 3200RPM/M BRUSHLESS MOTOR: Upgraded R3 Powerful Massage Gun is equipped with 16.8V brushless motor, which can reach 1800 to 3200rpm/min, available for different muscle groups, aiding in sore muscle relief, relax and shape different body muscle parts.