•【IP45 Waterproof】 Strong waterproof performance suitable for various outdoor conditions •【3 Heating Levels】 Adjustable temperature settings to meet your needs,with smart control for added safety •【Ergonomic Design】 Safe and comfortable grip with an integrated wrist strap for convenience •【Optimal Heat Distribution】 Ensures both hands receive comfortable warmth while holding •【6000mAh Battery】 Provides 10-18 hours of battery life,ideal for extended outdoor use •【Magnetic 2-in-1 Function】 Can be split into two hand warmers or combined as one for dual-sided warmth •【Quality Assurance】 UL certified for safety and reliability Specifications: Parameter Details Model UT4 Urban Battery Capacity 3000mAh*2 Charging Time 3.5-4 hours Usage Time 4.5-9 hours*2 Input Type-C 5V 2A Temperature Levels 3 levels: 100°-108°F (35-42°C)/109°-117°F (42-48°C)/118°-125°F (48-52°C) Indicator Lights Red/Blue Water Resistance IP45 Package included: •1 x Hand Warmer (Left+Right) •1 x Charging Cable •2 x Lanyards •1 x Storage Bag •1 x English User Manual