USB Rechargeable Headlamp

Product information:

Waterproof grade: IPX6(anti-rain, anti-splash, but can not dive) 
Working voltage: ≥3.7V
Product material: Aluminum alloy +ABS 
Charging mode: USB-1A fast charging support power output 
Zoom mode: Head telescopic zoom 
Surface treatment: wear-resistant anodizing 
Suitable for battery: 3*18650 (not included) 
Net weight of product: 298G 
The gross weight of the product: 370G (headlamp +USB cable + color box) 
Weight set: 498G (Headlamp +3*18650 battery +USB cable + color box)