Winter Gift Neck Hanging Magnetic Hand Warmer Digital Display Colorful Light Transparent Heating Hand Warmer

Battery Included : Yes High-concerned chemical : None Origin : Mainland China Heating method : Aluminum sheet heat dissipation type Item number : Original Factory Private Mold Power Supply Mode : Lithium Battery Types of Hand Warmers : Hand Warmer Is it a patented source? : No Product Category : Hand Warmer Model number : JF309 Built-in battery capacity : 6000mAh or more Rated Power : 10 Does it have a built-in battery? : Built-in battery Net Weight of Product : 300 Battery Life : 3-6 hours (inclusive)