Features:

1. In-set lithium-ion battery, can be recharged repeatedly.
2. In-set heating and warming function.
3. Automatic stirring function.
4. Compatible with PC hardware.
5. Use portablely.
6. With battery storage test function.

Specifications:

1. Voltage: 3-5V
2. Power: 3W
3. Nominal volume: 130ml
4. Color: Silver, black, brown
5. Product dimensions: 64x64x152mm
6. Package size: 70x70x155mm

Usage:

1. Heat: Heating function
2. Test: Test the battery storage
3. Off: Turn off the device
4. Stir: Stir the liquid in mug

Note: To restart charging, connect the USB interface on PC with the DC interface on mug through the USB cable.

Cautions:

1. Please recharge when the battery storage is low.
2. Do not leave the USB coffee mug with high humidity or under sunshine.
3. Do not leave the USB coffee mug in intense magnetic area.
4. Please avoid shaking the USB coffee mug.
5. Turn off the product after using.
6. Do not keep the USB coffee mug in refrigerator.

Package include

1 x USB Coffee Warmer
1x USB Cable
1X Instruction Manual