PRODUCT GRADING (Grade B) - Good Condition > Very light scratches and light signs of use > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX Ten-Tatent Massage Gun TZ-668A PRODUCT DESCRIPTION  Massage gun can help the user relieve muscle stiffness and soreness, increase blood pressure, improve the overall health of the body\'s soft tissues, moreover, it can prevent fasciitis which is a kind of painful and difficult to heal inflammation caused by adhesion between the fascia and muscles. PRODUCT INFORMATION Charging voltage - 100-240V Charging Time - 3 hours Working Time - Approx. 5 hours Frequency - 1200 - 3600 rpm Noise Level - 40 - 55dB Battery Capacity - 2500 mAh