10 second cooling ice hockey semiconductor cold compress artery function mobile phone bracket Shifting : 3rd speed regulation Battery capacity 2200mAh Working currentLess than1A Charging input DC5V/1A Working powerLess than5W The working time is approximately 7 hours in the , 5 hours in the second gear, and 3 hours in the third gear Ice cooling black technology Black technology semi conductive refrigeration technology, forced cooling of ice hockey balls Ice hockey makes summer more exciting. MIN small fan Keep cool all day long A palm sized fan that carries no burden and keeps you cool anytime, anywhere Can be used as a stand to watch TV without delay A versatile fan that can be and stand up, making it convenient to travel and feel cool anytime, anywhere. Material: Plastic colour: A-White Package Contents: 1 x host 1 x base 1 x USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.