Whether you are a cardio junkie or strength training, this massage gun is exactly what you need to iron out knots at the end of the day. Powered by a 1800mAh rechargeable battery, runs for several hours straight. The built-in display shows off speed and battery percentage, so you always know when to charge. Wireless design makes it use without worrying about getting tangled up in cords while getting your recovery in. Ideal for use in your legs, arms, back, torso and neck. 5 1/2" L x 6 7/8" W x 1 3/4" THICK