Relax and relieve muscle strain with this handy high power massage gun that comes with 5 head attachments. You can easily customise your massage as per needs. Product Details Includes 1 x small ball head, 1 x small round head, 1 x flat head, 1 x metal flat head and 1 x U-shaped interchangeable massage head attachments Dimensions/Size: 23cm (H) x 17.5cm (W) x 6.4cm (D) (without massage head) Power source: Input voltage: 100-240V 50/60Hz 0.6A Output voltage: 16.8V 0.8A Battery information: Rechargeable lithium battery, 2000mAh, 3.7V x 4 cell Technical specifications: Model no. Do not let the cord hang over edge of a table or counter. Follow usage instructions carefully.