Product name: Headlamp Product size: 8.3*4.2cm/3.2*0.9in Battery: 1200mAh Product material: ABS Product features: 1.USB Rechargeable: This headlamp features a USB interface charging design, allowing for easy and convenient charging. 2.COB and XPE Lighting Modes: With six different lighting modes, including high, medium, and flashing options for both COB (Chip-on-Board) and XPE (XML-based Power Efficiency) lights, this headlamp offers versatile lighting options for various situations and preferences. 3.Outdoor Emergency Lighting: Designed for outdoor activities and emergency situations, this headlamp provides reliable and bright illumination to ensure safety and visibility during nighttime adventures or unexpected events. 4.Hands-Free Operation: The headlamp is designed to be worn on the head, leaving your hands free to perform tasks or activities. This makes it ideal for camping, hiking, biking, or any other activity where you need both hands to be available. 5.Compact and Lightweight: Despite its powerful lighting capabilities, this headlamp is compact and lightweight, making it easy to carry and wear for extended periods without causing discomfort. Its portable design ensures that you can always have reliable lighting on hand when you need it most. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Headlamp