Feature: 1. Bluetooth Connection: Retro keyboard adopts wireless Bluetooth connection, which can get rid of the shackles of cables and connect three Bluetooth devices at the same time. 2. RGB Lights: Retro Bluetooth keyboard is a fully transparent keyboard, equipped with RGB lighting effects, stylish and cool, full of sense of technology. 3. Portable Ultra Thin: Wireless keyboard adopts ultra thin design, which is light and portable, making it very convenient to carry it for travel or business. 4. Wide Compatibility: RGB mini keyboard can be used with smart phones, tablets, laptops, desktop computers, etc. 5. Accurate Typing: Retro keyboard provides you with a very comfortable and accurate typing experience with a stable scissor type mechanism under each key, and optimized key stroke. Specification: Item Type: Retro Bluetooth Keyboard Material: ABS Support System:For Windows,for OS X,for Android Connection: Wireless Bluetooth Effective Range: About 10M Product Features:Can Connect Three Bluetooth Devices at the Same Time Type of Battery: Built in 200mah Lithium Ion Battery. Package List: 1 x Retro Bluetooth Keyboard1 x USB Cable Note: Shipment with built in battery.