Koolertron Ultra-thin Aluminum Alloy 7 Colorful LED Backlit General Wireless Bluetooth Keyboard, Three-level Adjustable Keyboard Backlight, Need Not Password Automatically Connect Bluetooth Compatible with All Android & Windows & Apple IOS Tablet PC & Smartphones

Features:
Super-slim and portable: Using ultra-thin design concept, the thickness of key only 4mm, ultralight to carry.
Seven color backlighting keyboard: Seven color backlighting design, can provide different brightness control. Different visual enjoyment for you.
Three-level adjustable keyboard backlight
Need not password automatically connect bluetooth
Support three systems(Windows/Android/IOS)
Fn+Q= android system
Fn+W= windows system
Fn+E= ios system

Specifications:
Material: ABS Keys + Aluminum Alloy Keyboard
Operating Distance to 10 meters
Modulation System: GFSK
Operating Voltage: 3.0-5.0V
Working Current: <3mA
Standby Current: 0.3mA
Sleeping Current: <0.1mA
Charging Current: >200mA
Standby Time: 330days
Charging Time: <4hours
Uninterrupted Working Time: Without backlight(750h)/backlight(4h)
Lithium Battery Capacity: 400mA
Lithium Battery Life: 3 years
Lithium Battery Specifications: 25*17*110mm
Key Strength: 70-90g
Key Life: 5 million strokes

Note: There is a layer of protective film at the back of keyboard, you could tear off it before using the keyboard

Package Included:
1 x General
Wireless Bluetooth Keyboard
1 x USB Cable
1 x English User Manual