Feature: 1. 3 Gears Temperature: Long press to turn on or off, 3 gears of temperature can be adjusted, red LED 1st gear is 60℃, green light 2nd gear is 50℃, and blue LED 3rd gear is 40℃. 2. Fast Heating: Using graphene heating elements, rapid heating, 360° lock temperature, the interior space is thick and warm. Soft leg openings, adjustable tightness. 3. Soreness Relief: Heated foot warmer can promote blood circulation in the feet, relieve fatigue and soreness, improve foot swelling, relax and warm the feet. 4. Wonderful Gift: USB powered, can be powered by power bank. Perfect gift for family and friends on birthdays, Thanksgiving, Christmas, etc., they will need it. 5. Soft Plush: Electric heated foot pad adopts excellent plush fabric, safe and eco friendly, soft and skin friendly, wear resistant and comfortable, durable. Specification: Item Type: Heated Foot Warmer Material: Plush Power Interface: USB Voltage: 5V Power: 10W Use: Warm feet Product Size: Approx. 30 x 30 x 7.6cm / 11.8 x 11.8 x 3in. Package List: 1 x Foot Warmer1 x USB Power Cord1 x Manual Note: Please allow slight error due to manual measurement. Thanks for your understanding.