Features:?The ultra-thin portable keyboard is easy to carry in your pocket or backpack, designed for frequent travellers and typists.?Free stand with six adjustable angles to create your perfect viewing angle. More convenient and efficient!?Premium black PU leather exterior, Stylish and durable, makes for a perfect gift for anyone.?Unique scissor-switch and quiet key design provides a more comfortable experience.?Built-in magnetic closure prevents accidental opening during storage or transportation.How to pair the folding keyboard with your device: 1. Open the keyboard to turn it on.2. Press the CONNECT button for 3 seconds to enter into pairing mode.3. Press "fn" + "Q/W/E" to select your system.4. Turn on the Bluetooth setting on your device to enter searching / pairing state.5. Once you see ?Bluetooth 3.0 keyboard? listed , click on it to connect.Please Note: 1. There is no On/Off switch. Simply fold the keyboard to power it off.2. For a Bluetooth-less PC, you need to install a third-party Bluetooth adapter (not included) before connecting.3. If you experience any problem with this keyboard, please charge it fully firstly. Very low power may cause problems.4. The "Fn" + "Q/W/E" button does not switch the connection between multiple devices. Only used to determine shortcut functions for different system devices.Specification:Open Size: 11.4 x 3.9 x 0.21inFolded Size: 5.7 x 3.9 x 0.45 inWeight: 5.53ozBluetooth version: BT 3.0Battery Capacity: 90mAhCharging Time: 2-3hStandby Time: ~180 daysUninterrupted Working Time: 40HSleep Time: 10 minutes of inactivity (Awaken by pressing any key)Package Content:1 x Folding keyboard1 x Stand holder1 x Charging cable1 x User manual100% Satisfaction ServiceSamsers provides you with 24-hour Email Response and Lifetime Technical Support.