Comfortable Heat GlovesInvisible electric heating chip, fast heating, comfortable, soft and wear resistant. Fingers and the back of the hand can heat up, it will keep your hands warm well when you paly any outdoor sport in winter. 3 Heating Levelshigh heat (red, about 40-45), medium heat (green, about 35-40), and low heat (blue, about 30-35). Multiple ChoicesThe heated gloves vary in appearance, battery capacity and voltage, power supply way, you can choose freely at your will. Screen Touch DesignProfessional Press screen technology on index finger allow you to control any Press screen devices without take off gloves in cold weather. Wide ApplicationThe available palm width and palm circumference are 8-10cm/3.15\u201d-3.94\u201d and 19-23cm/7.48\u201d-9\u201d respectively, universal for men and women. Perfect for hiking, hunting, fishing, skiiing, climbing, cycling, snowboarding, motorcycle, walking, biking, etc. Material: nylon, cotton & electronic component Palm width: 8-10cm/3.15-3.94 Palm circuFerence: 19-23cm/7.48-9 Lithium batteries model: 3.7V 4000mHa or 7.4V 2200mAH Battery box:For 3 pcs 3.7V AA batteries (6 pcs in totalFor 2 battery boxes Package included: (according to your buying choice 1 pair* A1 glove,1 pcs* charging cabl,2 pcs* 3.7V 4000mHa lithium batterie 1 pair* A2 glove,1 pcs* charging cabl,2 pcs* 3.7V 4000mHa lithium batterie 1 pair* A1 glove,2 pcs* battery boxes (battery not included) 1 pair* A2 glove,2 pcs* battery boxes (battery not included)