Worried about this deep tissue massage gun not working at any point? This portable deep tissue massage gun comes with a lifetime warranty, giving you peace of mind. 3 lbs 2” x 2.4” x 7.9” 10 attachments (round, flat, shovel, rounded foam, metal cone, spinal, bullet, absorber, heated tip, metal flat) 9 speeds (30 – 55 Hz or 1800-3400 RPM) 12 mm amplitude 60-65 Db Up to 4 hour ... https://www.massageguncity.com/collections/deep-tissue-massage-gun