Features: NP-W126 dummy battery coupler, a practical power supply adapter for Fuji cameras. Compatible with Fuji Cameras X-A1/X-A2/X-A3/X-E1/X-E2/X-M1/X-Pro/X-T1/X-T2/X-T10/HS33EXR/HS35EXR/HS50EXR, etc. USB to 4017 cable, works with DC 5V 2.1A-4.0A power source, and comes with a power adapter for convenient usage. The USB plug is designed with voltage conversion circuit, providing stable and safe power supply for your camera. Enables you to use external power source with your camera to achieve long time shooting.