Rechargeable & Auto-off: The rechargeable 48.24Wh built-in battery is the ultimate embodiment of relaxation on-the-go, enabling you to enjoy the wonders of this percussion massager for 2-6 hours. Better yet, a 10-minute auto-off function to prevent overheat and burns from all the relaxing goodness. 6 Alternative Heads & 6 Vibration Modes: The 6 massage heads make for easy positioning on your neck, shoulders, back, legs, arms, or thighs, for that full-body massage therapy in the comfort of your own home. Even better, with 6 adjustable vibration modes, this massage gun tackles anything from stubborn knots to the everyday soreness. Whisper-Quiet & Portable: A relax and clam massage is guaranteed. With a volume of 40 decibels, this deep tissue massager is as quiet as can be! It's so silent that it won't disturbing others while you're using it. Designed for portability, this massage gun may be small, but it's made for big things, perfect to use it at home, in the gym and even office!. Powerful & Crash Proof: Equipped with 16.8V brushless motor and dual bearing structure, this 220W massage gun for athletes boasts RPM up to 3200, giving the muscle group deep, penetrating relief. Crafted form premium materials, the Sportneer Elite D9 Massage Gun gun will outlast years of use and abuse. Relieves Muscle Aches & Tightness: Designed and tested by scientific professionals for maximum performance, this deep tissue therapeutic percussion massage gun can relieve muscle spasms, reduce and prevent muscle atrophy and increase blood circulation. It also helps soothe pain from myalgia, reduces muscle tension and can even boost exercise performance.