Features :SAVIOR HEAT GLOVES heated glove liners with 7.4V 2200MAH Rechargeable Li-ion Batteries. Larger capacity and longer working time than others. Give you warmth all day long. If you need to use it outside for a long time for a day, you can buy our extra replacement batteries. Extend the heating time.The men women electric gloves liners can use for riding,skiing, hiking,fishing,hunting,snow boarding,ice skating, daily working, walking your dogs or other work activities in extremly cold weather.Winter nice gift with elegant package.The rechargeable gloves are the idea gift for your friends and families and whomever you want pass your warmth and love.3 Settings Temperature ControllerThe liners use far infrared fiber heating elements covers whole back of hand and fingers.High Level: 140F - 150F, working for 2 - 3 hours.Middle level: 113 - 122,working for 3.5 - 4 hours.Lowest level: 104 - 110,working for 5 - 6 hours. How to use:Charge Up Fully charge with provided charger kit before using.Turn On Long Press power button first time for three seconds, red led light will illuminate.Adjust Temperature Short press power button.Turn Off - Long press power button, the led light will go out.Washing Instruction:Remove battery while cleaning or storing gloves.Use mild detergent to clean.Hand wash is recommended for more safety.If machine wash then it is recommended to use sack bag to wash it.Do not machine dry or use bleach. Package Included:1 Pair of gloves1 Pair of 7.4V Rechargeable Batteries1 Dual Battery Charger1 Carry Bag1 User Manual