Two Versions: This product is available in an on-off version and a three-gear temperature regulating version. The on-off version heats up automatically when the switch is pressed, without the need for temperature adjustment. The three-gear thermostat version allows you to select high, medium, or low temperature settings based on your preference. Ergonomic Design: Features 3D cutting for a snug fit, providing long-lasting warmth with soft and comfortable materials. Touchscreen Compatibility: Designed with sensitive touchscreen functionality, allowing you to operate smartphones or tablets without removing the gloves. Interior Design: Lined with coral fleece for enhanced thermal retention. The interior heating system provides consistent warmth and improved heat performance. Heating Element: Equipped with carbon fiber heating wires for durable use and high heat energy conversion efficiency. Usage Instructions: This product requires an external 5V 2A power supply via USB connection. It does not contain a built-in battery and must be used with a compatible USB power source. The power switch is located on the USB cable. Specifications: - Name: USB Charging Heating Gloves - Glove Length: Approximately 27 cm (10.63 inches) - Finger Length: Approximately 10 cm (3.94 inches) - Palm Width: Approximately 12 cm (4.72 inches) - Outer Material: High-quality synthetic leather - Inner Material: Coral fleece - Power Requirement: 5V 2A mobile power supply (not included) Package Includes: - 1 Pair of Heating Gloves - 1 USB Charging Cable Note: Slight color variations may occur due to lighting and shooting angles. Size may vary slightly due to manual measurement.