Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Intelligent Digital Hand Warmer With Three Temperature Control Settings Features: The hand warmer has four functions and has a wide range of applications. It can be a hand warmer to warm you up in the cool winter, it can be a massage To relieve pain caused by fatigue. Fast double-sided heating: Long press for 3 seconds to wake up the hand warmer heating function, no need to wait for a long time. In addition, it also has a double-sided heating mode and a heating power of 5-10w, which will more heat to warm you on cool days. Mobile power supply: Built-in high-capacity battery up to 1200mah, small size and light weight, can be used as a portable charging power source, allowing you to conveniently charge your mobile phone for camping, hiking, climbing, and picnic. Smart LED digital display: The LED display will clearly show you the current temperature and the remaining power at different temperature , without you having to the current temperature and remaining power. Adjustable temperature: There are five temperature for you to control and adjust, the first level is 45degrees Celsius low temperature, the second level is 55 degrees Celsius constant temperature, and the third level is 65 degrees Celsius . You can adjust the different temperatures between them as needed. Product Description: Product name: Hand warmer Color:Pinks,White Heating temperature: 40℃~60℃ Material: ABS, aluminum alloy Battery capacity: 1200 mAh Size:4.64*3.14*1.96in Weight:0.33lb Includes: 1x hand warmer 1x data cable 1x lanyard Features: The hand warmer has four functions and has a wide range of applications. It can be a hand warmer to warm you up in the cool winter, it can be a massage To relieve pain caused by fatigue. Fast double-sided heating: Long press for 3 seconds to wake up the hand warmer heating function, no need to wait for a long time. In addition, it also has a double-sided heating mode and a heating power of 5-10w, which will more heat to warm you on cool days. Mobile power supply: Built-in high-capacity battery up to 1200mah, small size and light weight, can be used as a portable charging power source, allowing you to conveniently charge your mobile phone for camping, hiking, climbing, and picnic. Smart LED digital display: The LED display will clearly show you the current temperature and the remaining power at different temperature , without you having to the current temperature and remaining power. Adjustable temperature: There are five temperature for you to control and adjust, the first level is 45degrees Celsius low temperature, the second level is 55 degrees Celsius constant temperature, and the third level is 65 degrees Celsius . You can adjust the different temperatures between them as needed.