Features: Heat and compression massage this innovative cordless mhand massagers uses heating and compression technology to provide targeted relief. gasbag fit the curves of the hand, wrapping the hand in all direction, effectively relieving hand pains. 3 Gear optional cordless hand massagers for muscles 45°heating,3 different intensities tailor your hand massage to your preference.the timers ensures safe and convenient use, with automatic shutoff after 15 tminutes Wonderful gift,sweet warm gift for friend family and yourself. Type c charging,hand massagers fast charging any time, anywhere for portable use. suitable for home office 15 Mintues intelligent protection electric hand massagers it will automatically stop after 15 minutes of continuous. Specifications: Material: Abs voltages: 5v Battery Capacity:1800 mah Package Includes: 1Piece Cordless Hand massagers note: Please allow 1-2cm errors due to manual measurement. Due to the differences betweeen different monitors,the picture may not reflect the actual color of the item.