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 KeyboardMaterial: ABSSupport System:For Windows,for OS X,for AndroidConnection: Wireless BluetoothEffective Range: About 10MProduct Features:Can Connect Three Bluetooth Devices at the Same TimeType of Battery: Built in 200mah Lithium Ion Battery.Package List:1 x Retro Bluetooth Keyboard1 x USB CableNote:Shipment with built in battery.