Features:_x005F_x000D_1 Relieve eye fatigue, reduce dark circles, reduce fine lines, moisturize eye and brighten eye _x005F_x000D_2 Easy to operate, digital display, clear _x005F_x000D_3 Lightweight compact for easy carrying _x005F_x000D_4 Multi-function, heat compress, cold compress _x005F_x000D_5 The maximum temperature can be adjusted to 51 degC, and the maximum temperature can last up to 15 minutes Can be manually timed, the longest time is 30 minutes _x005F_x000D_Notice:_x005F_x000D_1 Actual color may be slightly different from the image due to different monitor and light effect Please allow minor deviation due to manual measurement _x005F_x000D_2 The batteries for power box is not included _x005F_x000D_Specification:_x005F_x000D_Type: USB Eye patch kit_x005F_x000D_Material and size of eye patch: spandex, 240mm *85mm_x005F_x000D_Output power : 4 5w_x005F_x000D_Material of the controller: ABS PC_x005F_x000D_Voltage: 5V_x005F_x000D_Funtion: heat compresscold compress_x005F_x000D_Feature: The temperature can be adjusted, with digital display The maximum temperature is adjusted to 51 degC, and the maximum temperature can last up to 15 minutes Can be manually timed, the longest time is 30 minutes _x005F_x000D_Power supply: USB_x005F_x000D_Directions: _x005F_x000D_1 Put 4 AA batteriesnot included in the power box, and connect the eye mask and controller to the power box as it showed in the images Then switch the button on the power box to the USB side _x005F_x000D_2 Press the button either A or B on the controller to activate hot pack model , then a red signal lights up At this step, the default temperature and the duration for hot pack is 38 degrees for 15 minutes _x005F_x000D_3 Button A and B on the controller are used respectively to select the temperature and minutes for the hot pack, press them to get the desired setting Note: when select the highest temperature which is 51 degrees, the time is fixed to 15 minutes All the temperature and time settings are effected firmly to the environment temperature because of heat loss _x005F_x000D_4 For cold pack, only put the gel pad back into the eye mask after it chilled out from refrigerator _x005F_x000D_The Power Boxwhen put in batteries: the power box also can be used for emergency illuminating or power source for cell phonePackage List:_x005F_x000D_1 x eye patch_x005F_x000D_1 x USB power cord_x005F_x000D_1 x Controller_x005F_x000D_1 x power boxnot include batteries_x005F_x000D_1 x gel ice patch_x005F_x000D_1 x packing box