4,000 mAh Pocket Hand Warmer Heater with Power Bank

Stay warm and keep your portable electronic devices fully charged with the 2-in-1 hand warmer and power bank. Features: 4,000 mAh capacity 3 temperature levels Can fully charge smartphones: iPhone, Huawei, Samsung Galaxy, and other Android phones Has a blue light to indicate how much charge is left Small and light, easy to carry with you Helps relieve aches and pains from arthritis A built-in safety protection system Made with high-tech aircraft-grade Aluminum and ABS material Material: Aluminum alloy +ABS + polymer battery Product size: 4 x 2 x 1”