1.9W 160 LM 38pcs USB LED Flashlight Ring For GoPro Hero 4 Session

 
 
Feature:

Power: 1.9W 
Luminous Flux: 160 LM
LED: 38pcs
The interface is USB
It will resolve the problem for you for shooting
Non-waterproof and only use for GoPro Hero4 session
You will never worry about shooting during the night
This LED light is designed for GoPro enthusiast, totally new arriving
 Weight: 0.033kg

Package included:

1 x LED Lens Ring With the USB Cable (Not included Camera)
1 x Velcro Wrist Belt (NO Retail Box. Packed Safely in Bubble Bag)

Detail pictures: