Keyboard connection method: 1: Turn on the ON/OFF switch. 2: Press CONNECT, the indicator of the Bluetooth logo will flash. 3: Turn on the Bluetooth switch of the device such as tablet/smartphone, search for Bluetooth device, the default Bluetooth name of the keyboard: Bluetooth 3.0 Keyboard. 4: Click the Bluetooth 3.0 Keyboard on the tablet/smartphone, press the Enter to connect. Note: The keyboard cannot be connected to two devices at the same time. Therefore, if you want to replace another device, you must first disconnect the pairing connection of the original device. Product Specifications: Keyboard Layout: US QWERTY Bluetooth Version: Bluetooth 3.0 Buttons: 78 keys Working Range: Up to 10 meters Material: ABS +Aluminum alloy Charging Interface: Micro USB Hot Keys: Fn + function key, press Fn and the blue keys Wide Compatibility: Compatible with Apple iPhone iPad Android Windows tablet phone smartphone.【Note: It may not be possible to connect to the device via the Bluetooth adapter.】 Compatible with iPhone such as iPhone 12 Pro Max mini, iPhone SE 2020, iPhone 11 Pro Max, iPhone X XR XS Max etc. Compatible with iPad such as iPad Pro 9.7/10.5, iPad Pro 12.9 inch 2nd 3rd 4th 5th gen, iPad Pro 11 inch 1st 2nd 3rd generation, iPad Air 3rd gen 10.5, 4th gen 10.9, iPad mini 2/ 3/ 4/ 5 2019, iPad 4th 5th 6th gen 9.7, 7th 8th generation 10.2 2020 etc. Compatible with Android tablet smartphone such as Samsung Galaxy Tab a a7 s6 lite s7 plus s7+ Note S etc. Package including: 1 * Bluetooth Keyboard 1 * USB Cable If you have any questions, please contact us, we hope to provide you with good products and good services until you are satisfied. We provide one year warranty service, so you do not have any risk. If you are not satisfied with our products, we can replace you with a brand new product or a full refund to you.Bluetooth Connection: The keyboard adopts stable Bluetooth 3.0 technology, the working distance is up to 10m. The keyboard is US QWERTY layout, easy to use, has hot keys, such as volume control, play and pause, previous and next etc. The front is brushed, the back is ultra-thin and smooth aluminum alloy design. Comfortable Bluetooth Keyboard: The keys of the keyboard are scissor structure, square chocolate keycap ergonomic design. Use this keyboard, you can type quietly on your tablet, iPad, iPhone, smartphone and provide you with a comfortable and pleasant typing experience. Long-term use: Built-in rechargeable lithium battery, after fully charged, it can be used for more than 20 days (When used continuously for 2 hours a day). If you don't use it for more than 10 minutes, the keyboard will automatically enter the sleep state to save power. If you want to continue to use it, just click any key to wake up the keyboard. Light portable and compact: This keyboard is much lighter, smaller than traditional keyboard. You can easily carry it without taking up more space on your desk or bag. 10 inch keyboard dimensions: 25 x 15 x 0.6 cm, weight: 180g. 【Size: 9.84 x 5.9 x 0.24 inch, weight: 6.35ounce/0.4pounds】. Excellent Compatibility: The Bluetooth keyboard compatible with iOS, Android and Windows system. It is perfect for Apple iPhone, iPad, iPad Mini, iPad Pro, iPad Air, Android Samsung LG Windows tablet smartphone.