This kind of ring light includes a built-in rechargeable battery so you can charge them just with USB cords. Money saved and free from annoying battery replacement. Description: It can be easily carried in your pockets or bag so you can enjoy using it everywhere. You will be able to make videos at night or take great selfies in dark areas; you can use it with your rear camera to have high fidelity photos. Simple and flexible installation, easy to use. Lightweight, thin and impact resistant. A ring type macro flash light designed particularly for close-up, medical, scientific, forensic photography, etc. This macro ring flash illuminates the subject, no matter how low the lighting conditions are. Specifications: Color: Black/ White/ Pink/ Blue Material: Plastic Power supply: 1.5V(AAA)x 2(Not included) Size: 8.4 x 2.3cm Package Included: 1 x Ring Flash Light