SL-8890 Triangle Fascia Muscle Relaxer Household Electric Fitness Massager, Specification: US Plug 1. Material: ABS 2. Recommended people: office sedentary, exercise and fitness, parents and elders, postoperative recovery, etc. 3. Interface type: DC8.41A 4. Rated power: 25W 5. Rated voltage: 7.4V 6. Battery capacity: 2000 mAh 7. High-speed and powerful motor, strong power directly hits the deep muscles 8. Large-capacity lithium battery, up to 7 hours of long-lasting battery life 9. Relieve muscle stiffness and soreness, promote blood circulation and improve body soft tissue health 10. A variety of holding methods 11. 4 modes and 6 levels of intensity adjustment 12. Size: 24x24x7 cm 13. Weight: 0.92 kg Introduction of massage head: 1. Dense needle massage head 1: for the palms, soles and legs and other acupuncture points 2. Dense-needle massage head 2: For acupuncture points such as palms, soles and legs 3. Dense needle massage head 3: For acupuncture points such as palms, soles and legs 4. Flat massage head: for muscle massage, suitable for waist and back, etc. 5. Bump massage head: for shoulder and neck massage 6. Multi-point massage head: suitable for massaging the muscles 7. Cylindrical massage head: massage precise parts of the human body 8. Four-pronged massage head: for the joints of the human body, but also for the shoulder and neck Packing list: Massager x 1 DC adapter x 1 Manual x 1 Massage head x 12 Blister box x 1