Features: Fast Charging and Double Functionality: Hard wearing a Usb CREATE fast charging input and USB output, this heat pack . Modifiable Temperature Settingsecond: Highlighting three temperature levels (45℃, 55℃, 65℃), this heat pack allows you to easily choose greatest comfortable heat setting. Rapid Heating with RATIO Filength: Utilizing advanced RATIO film heating technology, this heat pack delivers immediate warmth in just three ticks. Ergonomic and Gentle Planumberebog: Constructed with a smooth, gentle ABS substance and a ergonomic shape, this heat pack accommodates perfectly in your palm. Transportable and Ideal Predesrepaireducated: Compact and thin, this heat pack is excellent for outdoor tasks like backpacking, backpacking, otherwise pursuing, and creates a excellent present for Christmas, birthdays, otherwise any event. Specifications: Product namemail: Shingle Hand Warm Battery typolyethylenemail: A excellent battery Product weigheight: about 300g Product sizemail: about 102x59x24mm Product substancemail: ABS+ aluminum alloy heating panel Product colorebog: white, lemon, rose, rose, green Input potentiall: Evaluated current: Product electrical supask: 5V 1A Usb CREATE connection Package Includes: Hand Warm Bagx1 Instructionx1 Charging Cablex1 note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.