Specification: Charging voltage: USB 5V Charging current: 1000mA Battery capacity: 200mAh Product volume: 18 18 102mm Net weight: 35 g Product material: aluminum ABS Heating material: MCH ceramic Instruction: 1. Press for the first time to turn on the red light. The temperature is 50 C. Press twice quickly to light the blue light. The temperature is 40 C. 2. It is forbidden to be used by babies under 1 year old. Please use it with the help of adults if you are using babies under 1 year. Please place the product out of the reach of children. 3. After the one-button anti-itch, the 20s anti-itch stops automatically after starting. The time against itching varies slightly depending on the patient's physical metabolism. You can increase the number according to your own situation. Instructions for use: 1. It is normal to try it on normal skin and apply it to the skin area after it has been bitten by mosquitoes. 2. Do not apply to wounds, eyes and the surrounding area, do not use on sensitive or thin skin areas and do not use on wet skin. Dry the area of ?application thoroughly before use. 3.People with poor blood circulation, skin allergies, numbness or skin disorders should not use it if the temperature is dull. 4. This product cannot be treated for insect bites or allergic reactions after bites. 5. The MCH ceramic head of this product can be wiped with alcohol and not with water. Please ensure cleanliness when using. Packing list: 1 device against itching 1 charging cable 1 instruction?Small and portable? The bite relief stick can be inserted directly into your pocket and bag to effectively relieve redness and itching caused by mosquito, bee and ant bites and to enable you and your family to live indoors and outdoors. ?2 temperature options? Two gears with precise temperature are optional and the whole family can use them safely. We address different heat-resistant people, we specifically set two courses with a temperature of 40 C and 50 C. The blue indicator light is 40 C mode is suitable for children over 1 year. The red indicator lights up for 50 C mode for adults. ?Energy saving? The MCH ceramic head is characterized by high efficiency and energy saving and is skin-friendly. An MCH ceramic head is used at the top, which generates heat quickly and evenly. With the same heating effect, it is more energy efficient than ordinary ceramics. The safety material has a delicate texture and is comfortable and non-irritating if it fits the skin. Built-in rechargeable 200 mAh lithium battery that can be reused 100 times at the same time. ?Vibration massage? Built-in linear motor, vibration massage, anti-itching, comfortable, quick reaction, low power consumption, comfortable massage and anti-itching in the bite area effectively promote blood circulation and local blood flow in the bite area and accelerate the relief of the itching effect. ?Physically against itching Safe and reliable? Use pulse technology and temperature to metabolize the itching substances caused by mosquito saliva quickly, eliminate itching with one click, more safely and reliably, and the bite relief device does not cause any allergic reactions.