[15X Zoom Lens]Smartphones macro lens meet the needs of close-up p ography and high-definition details, -focus for crisp macro p os every time. For results, position clip on macro approximately 1/2-1 inch from subject. (lens light in the front work is limited to fill light function, not for front camera zoom). [LED Fill Light]53 LED Smartphones ring light instantly illuminate your subject and surroundings with warm continuous light. [ and Stable Clip]Not only the long time use but also super to clip securely onto your device without damaging the of the object. Macro lenses for Smartphones is small in size and can be carried with you and can be easily put in the cosmetic bag. [USB Charging]One charge can be used for 100 minutes (maximum brightness can be used for 30 minutes, minimum brightness can be used for 100 minutes), USB port for fast charging, Suitable for all smartphones, tablets and computers. [3 modes]Warm light (3000K), Cool white (4500K) and Daylight (6000K), 3 brightness levels: Low, Medium and High. Side power button long for 2 seconds to open the fill light. Lightly the power button to change the light color. Open for the first time, to plug in the USB power cable charging activation!!! Voltage: 5V Precautions: 1. Open for the first time, to plug in the USB power cable charging activation!!! 2. Side power button long for 2 seconds to open the fill light. 3. Lightly the power button to change the light color. 4. If dust gets into the lens, remove the clip and clean it from the back. 5. The macro lens is about 3cm away from the subject, the clearest! How to use the 3-camera system? When zooming with the 3-camera system on the Smartphone, aim the macro lensat the working camera to avoid a black screen. There are some camera apps you can download from the which allow you to manually select which of the smartphone cameras