Feature: 1. Rapid Heating for Instant Warmth: With its advanced heating technology, this hand warmer provides quick and efficient warming in just 5 seconds, ensuring that you can enjoy warmth at your fingertips whenever you need it. 2. Adjustable Temperature Control: Featuring three temperature settings, this hand warmer allows you to select the most suitable level of warmth to meet your specific needs, ensuring optimal comfort in any situation. 3. Multiple Safety Protections: Designed with multiple safety features and certified for safety, this hand warmer provides worry free warmth without any risks, ensuring your peace of mind during use. 4. Power Bank Functionality: This hand warmer also functions as a power bank, allowing you to conveniently charge your other devices, such as smartphones or tablets, on the go, ensuring that you stay powered up at all times. 5. Compact and Portable Design: Its mini sized and portable design makes it easy to carry with you wherever you go. The built in hanging rope provides added convenience, preventing accidental slips or misplacement. 6. Temperature Electricity Visualization: Intelligent digital display, better management and charging, to provide you with convenience. Specification: Item Type: 2 In 1 Hand Warmers Material: ABS PC Battery Information: Lithium ion Battery 3600mAh (Shipped with Built in Battery) Temperature Levels: 1st Level 45℃; 2nd Level 55℃; 3rd Level 65℃ Battery Life: 1st Level 7 hours; 2nd Level 5 hours; 3rd Level 3 hours Charging Time: 5 hours Weight: 209g/7.4oz. Package List: 1 x Hand Warmer 1 x Hanging Rope 1 x Charging Cable 1 x User Manual