Bulb: COB & LED
Battery:3.7V 600mAh
Modes:
a. Short press : Low - High - Top LED - OFF
b. Long press : Dimming function 

c. Double press : Boost mode 

Max output: 150 lumens / 500 lumens / 50 lumens(top LED) / 700 lumens (boost mode)
Run time: 3.5 hrs / 1 hrs / 4.5 hrs / 30 seconds
Adapter:5V 1A Charging time:approx 2.5 hrs
Charging port : Type C port
Power indicator : Red indicator does not turn green until it is full.
Size:106.5x26x14.4 mm
N.W.: 42.5 g
Aluminium housing with metal clip
With magnet on back and bottom
With pen clip on back