Convenient USB Charging: The mini electric massager is equipped with a Type-C charging cord, you can no worry about charging when you travel with it in different countries. you can charge it anywhere with any smartphone adaptor. 4 MASSAGE HEADS & 4 SPEEDS: 4 massage heads and 4-speed levels to provide relaxation for every muscle group. With high-frequency vibration (1600-3000 times/min), you can adjust the frequency and choose different massage heads to relax the tense and stiff muscles. LONG BATTERY LIFE & RECHARGEABLE: Powered by a built-in 2000mAh rechargeable lithium battery, this portable mini massage gun can run continuously for up to 6 hours after being fully charged. 15-minute auto-off feature for safety consideration. QUIET AND POWERFUL: The deep tissue percussion massager has a high torque brushless motor that brings you a deep relaxation experience, low noise design ultra-quiet (35db) percussive massage gun muscle treatment available anytime, anywhere. PORTABLE MINI MASSAGE GUN: The RENPHO muscle massage gun weighs only 0.58kg. Portable and lightweight, convenient to put it in a handbag or the pocket, and use it at the home, office, gym or outdoor, etc.