1、HIGH EFFICIENCY: The hand warmer has 3 temperature levels for fast heating, with graphene safe heating technology, efficient and convenient. 2、POWER SUPPLY: Built in 6000mAh high capacity battery, and equipped with USB cable, convenient and fast charging, suitable for outdoor use. 3、COMPACT SIZE: This hand warmer has a compact size, smooth and warm surface, ergonomic design, easy to hold and carry, and keep warm anytime. 4、MULTIPLE FUNCTION: Hand warmer and power bank mode, not only bring you warmth, but also can be used as a power bank to charge electronic devices. 5、DIGITAL DISPLAY: The hand warmer is a digital display design, easy to view, click the button to switch the temperature gear, and it is easy to operate. Item Type: Hand Warmer Material: PC, ABS, Aluminum Alloy Battery Type: Polymer lithium battery (built in battery) Battery Model: 955465 Battery Capacity: 6000mAh Temperature Range: 45℃, 50℃, 55℃ Product Power: 7-10W Heating Method: Electric heating wire Input Interface: Type C Input Current: DC 5V 2A Output Current: DC 5V 2A Battery Life: 6 hours Number of Gear: 3 GearSize: Approx. 11.2 x 7cm / 4.4 x 2.8in Function and Operation: Power Bank Mode: 1. Click the switch button during standby charging to light up the digital display to display the current battery level. When there is no other operation, it will automatically turn off after about 5S. 2. When charging the mobile phone, the current battery power will be displayed, and the displayed power will increase and decrease with time. When the charging is disconnected, the display screen will automatically turn off in about 35 seconds. 3. When charging the hand warmer, the current power level will be displayed, and it will increase with time. After the power is fully charged, it will display 100 and be always on. 4. After low power shutdown, click the switch button, the display will automatically turn off after 00,30s. Hand Warmer Mode: 1. Press and hold the button for 3S in the standby or active state, that is, the first digital display of the hand warmer will open and display H1 (the default value is 45℃), and then immediately enter the heating state and display the temperature increasing process (the increase will only occur when it is lower than 45 ℃). process), when the temperature reaches the set value, it will enter the current temperature and current battery display state. 2. Click the button again, the hand warmer will switch to the second gear, the digital display will display H2 (the default value is 50 ℃), and immediately enter the heating state and display the temperature increasing process (the process of increasing temperature is only available when it is lower than 50 ℃), When the temperature reaches the set value, it will enter the current temperature and current battery display state. 3. Click the button again, the hand warmer will switch to the third gear, and the digital display will display H3 (the default value is 55 ℃), and immediately enter the heating state and display the temperature increasing process (the increase process is only when it is lower than 55 ℃), When the temperature reaches the set value, it will enter the current temperature and current battery display state. 4. Click the button again to cycle through the three gears. Long press the switch button on any gear to turn off the hand warmer function. Working Mode Switch: 1. When the hand warmer is in the heating mode, if the USB is inserted into the discharge device, the hand warmer will be turned off and enter the mobile power mode. 2. When charging the product through the Type C data cable, it will not be able to enter the hand warmer mode, you need to unplug the charging cable, and then press the hand warmer mode operation to enter the hand warmer mode. 1 x Hand Warmer 1 x USB Cable 1 x User Manual