This Rocktrail hand warmer is a portable and rechargeable device designed for use during the cold season. It offers three adjustable temperature zones, reaching a maximum of 47 °C, ensuring warmth when needed. Equipped with a 5,200 mAh lithium-ion battery, it also functions as a power bank for mobile phones, providing dual utility.

• Adjustable Heat Settings: Three temperature zones, with a maximum output of 47 °C.
• Power Bank Functionality: Integrated 5,200 mAh lithium-ion battery can charge mobile devices.
• Digital Display: Clear LED display shows status and settings.
• USB-C Charging: Includes a USB Type-C charging cable for convenient power input.
• Compact & Portable: Measures 10.4 x 5.35 x 3.3 cm for easy carrying.
• Long-lasting Warmth: Provides 4 to 8 hours of discharge rate for extended use.

This device is suitable for anyone needing warmth on the go, such as commuters, outdoor enthusiasts, or those in cold offices. Simply activate the hand warmer for comfort during winter walks or when working in chilly environments.

The device has an input/output of 5V/2A and a rated voltage of 3.7V. Charging time is approximately 4 hours using the provided USB Type-C cable.