此灯利润极低，这边是不包任何问题售后问题，谢谢理解 

Material: Aluminum alloy + ABS
LED model: 1*Q5 +1*COB
Product color: Black
Light color: White Light
Lighting mode:2 modes
Battery:Built-in 18650 battery 
Switch type: independent button switch
Charging:Micro USB
Weight: 90g
This headlamp is suitable for security guard,camping, caving, barbecuing, running, jogging, night walking, climbing, mountaineering, fishing, hunting, night reading, car repairing, DIY works or emergency like fire,hurricane, power cut.
Specification:
* Small and compact, easy to use and easy to carry.
* Adjustable headband for ergonomic design.
*Two gear positions: Q5 glare/COB glare
* Provides an adjustable base for each headlamp, tilting back and forth.
* Built-in 18650 lithium battery
* Waterproof: Can be used in rainy days, but not in water.
*There is a magnet on the side of the lamp head for use during maintenance
* Suitable for outdoor activities such as camping, hiking, hiking, night fishing, cave exploration.

Product structuur
A: LED lamp kralen
B: COB lamp kralen
C: Sterke magneet
D: Schakelaar
E: USB interface
F: Comfortabele hoofdband