1、Humanized Design: The portable LED fill light comes with an easily rechargeable internal lithium ion battery, so you don't need to purchase a battery! It is very compact in size and easy to carry. 2、Perfect Helper for Selfies: The mobile phone mini light will create soft light for your face and enhance the three dimensional effect of your face. Improving your selfie is a must have for selfie enthusiasts. 3、Easy Installation: The mini ring light on the phone is easy to install, just peel off the adhesive and stick it onto the phone case. The double sided adhesive is firmly adhered, does not fall off, and leaves no marks when removed. 4、Level 4 Lighting Mode: The selfie ring light has three color temperatures: yellow and white, white, yellow, and flashing, providing the required brightness as needed. 5、Fashion Versatile: Versatile fill light is suitable for many models, as long as there is sufficient space on the back of the phone to install. The fill light has a compact appearance and can also become the perfect decoration for phone cases. 1 x LED Fill Light1 x Charging Cable Item Type:LED Fill LightMaterial: ABS, electronic componentsBattery Type: Lithium battery (shipped with built-in battery)Battery Capacity: 150mah