This was a Christmas present for my husband. I did a lot of online research and decided to purchase the Bang Pro Massage gun. My husband tried it and loved it immediately, said he could feel a difference after just the first use. He's a runner, works a physically demanding job, and has long struggled with poor circulation, back pain, and plantar fasciaitis. The quality is fantastic, and it even came charged right out of the box. I had a few questions prior to purchase and someone emailed me b...