The "Matias Wireless Aluminum Tenkeyless Keyboard" is a slim, aluminum, wireless keyboard with a similar layout to the familiar Apple Wireless Keyboard. It has two features that enhance your experience compared to the regular Apple Wireless Keyboard: 1. It has a rechargeable battery with a typical battery life of 1 year before needing charging. 2. It has the ability to pair to three devices at the same time, and easily switch between the three devices with the press of a button. Now you can use the same beautiful, great-feeling keyboard for your Mac, iPad, iPhone, Android, or PC; the keyboard even pairs with the optimal layout for each type of device, so when you switch between devices, the keyboard layout is what you expect. SPECIFICATIONS:Dimensions: 14.06” x 4.58” x 0.75” (35.7 x 11.6 x 1.9 cm) Weight: 1.113 lbs (505 g) Matias Scissor Switches Key Travel: 2.0 mm Cable Length: 5 feet (1.5 m) – cable is for charging purpose only In the Box: Keyboard, User manual System Requirements: Mac with Bluetooth®, iPad, iPhone, PC with Bluetooth®, or Android Phone. Bluetooth® is a registered trademark of Bluetooth SIG, Inc. Battery: 1,600 mAh (3.7 volt) 5.92 watt-hour rechargeable lithium-ion polymer battery Battery Life: Up to 1 year between charges (typical use) Uninterrupted Typing Time: 533 to 1,600 hours (varies depending on typing speed, LED usage, etc.) Standby Time: Up to 2 years between charges