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Ergonomic tilt and Low-profile design, made of aluminum excellent material, greatly fits the Apple wireless keyboard in an elegant way and have more comfortable type feeling.
Build in 2 rechargeable lithium batteries with high-technology capacity of 160mA provides continuous up to 90 hours of usage after full of charging; back-lit On/Off control. The LED indicator shines in red during the recharging
Used either in Keypad or Calculator mode. Toggle between Keypad mode and Calculator mode by pressing "MAC/calculator". Automatically Shut off inactivity when you are not using it.
Bluetooth 3.0 connect ( backward compatible with 2.0), fast connects with you iMac; Also supports almost all tablets and iPhone with Bluetooth function.
Broad usage compatibility with all three major operating system such as Mac OS, Windows and IOS.
Alcey Bluetooth Wireless Magic Keypad & Calculator Combo with 6-Month Rechargeable Lithium Battery for Apple Wireless Keyboard Rechargeable Bluetooth Keypad & Calculator B01NCV2PNB