Features: Multifuction, quick hand warmer and USB power . It is a very cute hand warmer . Two temperature modes, low temperature mode: 50C, the green indicator light is on, high temperature mode: 60C, the red indicator light is on. Handy carrying anywhere in pocket or bag while sporting, fishing, hiking, skiing, travel or sport outdoors. The small gift box is a thoughtful little gift for friends and family, mom, girlfriend in Christmas, New Year, holidays. Doublesided heating, twolevel temperature adjustment, can keep your hands warm for more than 4 hours, accompany you through a cold winter. Package Includes: 1 Piece Hand Warmer Specifications: Material: Silicone + Aluminum Alloy Style: Face / Blush Size: Approx.10.55x8.65x3.75cm/ 4.15x3.40x1.47inch Power Supply: Usb Power: 6.4w Battery Life: 3-6 Hours Heating Method: Electric Heating Hand Warmer Voltage: 5v note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color of the item.