1Cold Compress: Head helps treat muscle inflammation. Before using the cold compress head attachment, it works best after the cold compress head is placed in the refrigerator for about 2 hours. 2Multiple Applicable Scenarios: Muscle massager is suitable for daily massage relaxation, relieving muscle soreness after fitness, office relaxation, etc. 3Replaceable Massage Head: Removable design, just twist hard when removing the massage head. Multiple massage head are available, with different function and effect. 4Portable Design: Conform to ergonomic design, non slip handle, easy to hold and use, can be operated with one hand. Lightweight, easy to carry, perfect for home and travel. 5ABS And Metal Material: Built in 1800mAh lithium battery, easy to charge, long endurance. Deep tissue massager adopts ABS and metal material, firm and sturdy, stable and durable. Item Type: Muscle Massager Material: ABS, Metal Battery Type: Lithium Battery (Built In) Battery Model: 18650 Battery Capacity: 1800mAh .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1 x Muscle Massager 6 x Massage Head 1 x Charging Cable 1 x Manual