Features 1、2 Temperature Mode: This electric hand warmer provides 2 temperature modes that can be easily adjusted according to your needs. 2、Fast Heating: This USB hand warmer features fast heating and easy operation. Long press to start and short press to switch the mode. Colorful ambient light makes your night no more monotonous. 3、High Safety: This rechargeable hand warmer automatically power off when charging, also designed with overcharge protection, over temperature protection. 4、Palm Size: This mini hand warmer with cute cartoon style adopts palm size design, you can take it with you all the time. 5、Wide Application: This rechargeable hand warmer can be placed on your abdomen and effectively relieve the pain in your menstrual period. Specification Item Type: USB Hand Warmer Material: Plastic Cement Temperature Mode: 2 Modes Battery Type: Lithium Battery (Inbuilt Battery Included) Battery Model: 18650 Battery Capacity: 1800mAh Charging Time: About 3 Hours Product Size: Approx. 7.8 x 7.8cm / 3.1 x 3.1in ( Manual Measurement, Slight Error May Exist ) Package List 1 x USB Hand Warmer 1 x USB Cable 1 x Lanyard