RECOMMENDED FOR EDITORS: Write down your stories or ideas any time any where you want as long as you own one iClever BK03, the slim and reliable typing partnernPORTABLE u0026amp; LIGHTWEIGHT: Convenient and lightweight (6.3OZ) pocket sized, tri-folding bluetooth keyboard, perfect for travelniOS, WINDOWS u0026amp; ANDROID COMPATIBILITY: Built-in Broadcom Bluetooth module with an operating range of 10 metersnERGONOMIC u0026amp; DURABLE DESIGN: Premium aluminum alloy texture (aircraft-grade) for superior durability. Auto power off and sleep mode function helps to conserve battery. Built-in rechargeable lithium batterynRELIABLE AND FRIENDLY CUSTOMER SERVICE： ready to respond within a 24 hour time frame.niClever - Ever Clever This ultra slim tri-folding Bluetooth keyboard lets users enjoy creating and communicating across multiple platforms on Bluetooth enabled devices wirelessly. With a compact and portable design, this wireless bluetooth keyboard makes the perfect keyboard for travel. Broad Compatibility -Works well with all Bluetooth enabled devices with IOS (iPhone 7,7 Plus 6S, 6S Plus, iPad Pro), Android or Windows system. To pair the device, simply press the Fn + C keys. -Operating range of up to 10 meters. Compact u0026amp; Lightweight -Convenient and lightweight (0.39lbs) pocket sized, tri-folding bluetooth keyboard, perfect for travel. -When folded, the keyboard is smaller than an iPhone 6 Plus Comfortable and Quiet Typing -The whisper-quiet keys allow you to work anywhere. Aircraft-grade Aluminum -Made with aircraft-grade aluminum for superior durability. -Anodized matte process creates excellent sense of touch. Note: -It is not compatible with Nokia phones or Windows 8 operating systems. -After connecting with the device, you must press Fn + OS key(Q for Android, W for Windows, E for IOS) to select operating system. -In order to activate the blue keys on the keyboard, you must hold down the Fn key and the color key simultaneously. -Fold it to power off the keyboard to conserve energy if it is not in use. Do not use out of the operating range. Package Content: -1 x Bluetooth Keyboard -1 x USB Charging Cable -1 x Carrying Pouch -1 x User Manual -1 x One Year Warranty Card