The Dynamo Massage Gun offers state-of-the-art deep tissue relief with a copper-clad motor generating 1.4 kgf.cm torque. Equipped with a 7.4V 1200mAh battery for 90-150 minutes of use, it features 4 interchangeable heads and 6 speed levels for customizable massages. Its ergonomic design includes safety features like auto-off. Ideal for home, office, or gym use.