Features： 1、Double Handle Design: Easy to hold, suitable for multiple angles, comfortable in hand, and free to massage every part of the body. 2、Portable: Light and small, easy to hold, easy to put in the bag, and can be massaged at any time and place. 3、Sturdy and Durable: Long service life, power saving and longer battery life, reliable performance, and low failure rate. 4、5 Gears Adjustment: 5 Gears of strength adjustment, multiple strength adjustments, suitable for massage in different situations. 5、Deep Massage: High frequency deep massage technology penetrates into the deep muscles and quickly removes lactic acid. Specification： Item Type: Massage Gun Power Supply Mode: Lithium battery Battery Capacity: 1500mAh (Included) Suitable for Scenes: Fitness, home, office, travel Applicable Symptoms: Sitting for a long time in the office leads to backaches Lower your head to play with your phone, causing shoulder and neck discomfort Elderly people are unwell, lumbar muscle strain Muscle aches after exercise Applicable Parts of Each Massage Head: Flat Head: Suitable for relaxing the latissimus back muscles and other large muscle groups Cylindrical Head: Suitable for impacting deep tissues, such as meridians, palms, soles, etc. U Shaped Head: Suitable for massaging the neck, spine and Achilles tendon Ball Head: Suitable for massaging large muscle groups such as arms, kidneys, thighs, and calves Indications: > Pain and cramps caused by muscle injuries, sprains, strains >Help the edema fluid stream in the swollen area >Loose and thickened connective tissue and fascia > Reduce the accumulation of lactic acid in the muscles >Increase joint range of motion > Eliminate muscle fatigue Contraindications: >Aneurysm, bleeding, use of blood thinners >Heart disease with pacemaker or defibrillator >Pregnancy, cancer >Do not use the device within 3 inches of the internal fixation within 90 days of the internal fixation. > Sensitive parts: head, face, cervical spine, spine > Places close to the bones and less muscle coverage: shins, insteps, backs of hands Package List： 1 x Massage Gun 4 x Massage Head 1 x USB Cable 1 x English Manual