4000mAh Battery Rechargeable 3-in-1 Book Light Mini Power Bank & Hand Warmer

High-Capacity 4000mAh Battery
– Built-in reliable lithium polymer battery for extended use, perfect for travel, emergencies, or daily convenience.
3-in-1 Multifunction Design
– Combines a dimmable LED book light, portable power bank, and reusable hand warmer in one compact device.
Premium Dimmable LED Light
– Adjustable brightness with soft, eye-friendly illumination, ideal for reading, camping, or nighttime tasks.
Efficient Hand Warmer
– Quick-heating function provides warmth in cold weather, reusable with USB rechargeability.
Ultra-Portable & Durable
– Lightweight yet sturdy construction with premium ABS+PC shell, designed for long-lasting performance.
Universal Compatibility
– Works with smartphones, tablets, and other USB devices for on-the-go charging. Perfect for book lovers, travelers, outdoor enthusiasts, and anyone needing a versatile, space-saving power solution. Stock up now at unbeatable wholesale prices!