Older model in perfect working order. Holds charge perfectly. From the manufacturer:The All New PowerMassager™ was designed in consultation with leading physiotherapists, coaches and professional athletes.By using the PowerMassager™ you can recover faster, train harder, save time, massage anywhere, improve performance, and reduce pain. The All New PowerMassager™ includes an improved battery with over 40 minutes of continuous battery life, reduced noise, a one-touch trigger, and an antibacterial grip.
