100% Quality Assurance: Cholas massage gun comes with a one year warranty. We promise that if there are any quality problems during the warranty period, we are willing to exchange and return the goods without any conditions. Your satisfaction is our top priority. If you have any questions or issues about the massager gun. Please send the seller a message through without hesitation and we will give you a satisfactory solution as soon as possible. Long Battery life: This handheld massager is equipped with 2400mAh high-quality rechargeable lithium-ion battery, which provides more than 6 hours working time. And it only takes 1.5 to 2 hours to fully charge. With this massage gun, there is no need to worry about having to spend extra time recharging it. Quiet and Powerful Deep Tissue Massage: Cholas deep tissue massage gun has an amplitude of 12mm, allowing the percussion to penetrate deep into the deep tissue. Since the high-precision design makes the head and the body of the massage gun tightly connected, the noise in the process of running can be effectively reduced. No matter what time of day you use this massage gun, you don't have to worry about disturbing others. Modern Design and 30 Adjustable Speed Levels:Cholas massage gun is designed with LCD touch screen, which provides more diverse choices for users. And the users can switch to any speed levels they want. The touch screen design also gives the massage gun a more technological and modern look. 10 Professional Massage Heads: 10 different massage heads can suit any part of the body. Give more precise and comfortable relaxation to the muscles and relief of injuries caused by muscle fatigue. Interchangeable massage heads in 10 shapes not only target specific muscle groups for faster recovery, but also provide you a relaxing back neck massage experiences.