Features: 1. 3 Speed Temperature Indicator Light: Red 50-55, blue 45-50, green 40-45, to choose between by simply pressing the power button. 2. Fast Heating Hand Warmers: Electric hand warmer offer you instant double-sided heat in just seconds, it heats up fast with the punch of a button, for plenty of heat to keep your hands warm in colder weather. 3. Premium Material: Soft and comfortable short plush and zipper to ensure your normal use in more weather conditions, skin-friendly. 4. USB Interface: With the USB interface design, the heated gloves hand warmers bag can be powered via your PC, power bank, or car charger, and can work for up to multiple hours after fully charged. 5. Ideal Gifts for Outdoor Activities: The hand warmers are a perfect gift for your family members and friends at Christmas, birthdays, or special festivals, to warm hands and body in cold weather, suitable for fishing, hiking, camping, and so on. Specification: Material: Short Plush Product Color: Grey, Purple, Orange Voltage: 5V Temperature: 40-55 Product Size: 38 x 28 x 2cm Product Weight: 200g Package Included: 1 x Hand Warmer 1 x Strap