Feature: 1. Portable Design: Lightweight folding design, convenient for travel and work. 2. Smart Energy Saving: Automatic on/off and sleep mode, effectively saving battery. 3. High-Quality Material: Made of aluminum alloy, smooth to the touch, luxurious feel. 4. Seamless Switching Between Devices: Built-in 2 BT memories, seamless switching between devices. 5. Ideal Gift Choice: This folding wireless keyboard is the perfect gift for friends and family. Specification: This folding BT keyboard is made of aluminum alloy, with a lightweight design for easy portability. It features automatic on/off and sleep mode for effective battery saving. With 2 built-in BT memories, it allows seamless switching between devices. Features: Portable Design: Lightweight folding design, convenient for travel and work. Smart Energy Saving: Automatic on/off and sleep mode, effectively saving battery. High-Quality Material: Made of aluminum alloy, smooth to the touch, luxurious feel. Seamless Switching Between Devices: Built-in 2 BT memories, seamless switching between devices. Ideal Gift Choice: This folding wireless keyboard is the perfect gift for friends and family. How to connect dual devices with a BT keyboard 1. Turning on the keyboard will automatically turn on the power, and the blue indicator light will be on for a while and then off, indicating that the device is normal 2. First Press "Fn + Z" to enter the connection "Device 1", and then press "Fn + C" to start Bluetooth pairing, Now the bluelight flashes,Open the Device 1 settings 3. Find the Bluetooth option, turn on the Bluetooth, you will search and show the Bluetooth keyboard, click the Bluetooth keyboard logo, you can connect directly without a password,Until Device is connected successfully 4. Need connect to the second device, first press "Fn + M" to enter the connection "Device 2", then press "Fn + C" to start Bluetooth pairing, Now the bluelight flashes, Open the Device 2 settings repeat step 3,Until device 2 is connected successfully 5. After connect the dual devices, you can press "Fn + Z" and "Fn + M" to switch between the two devices. Specifications: Effective distance: 10 meters Modulation mode: GFSK Working voltage: 3.7V Working current: <3mA Standby current: <0.3mA Sleep current: < < 50uA Charging current: > 200mA Standby time: 90 days Charging time: 2 hours Battery capacity: 380mA Working remperature: -10-+55 °C Batteries: 1 Lithium Ion batteries required. (included) Material: Aluminum Alloy Design: Folding Design Features: Automatic On/Off, Sleep Mode, 2 Built-in BT Memories Advantages: Lightweight, Portable, Energy Saving, Seamless Device Switching Usage: Suitable for iPad, iPhone, Android devices, and Windows tablets, laptops, and smartphones Folding Keyboard size: 55*223*20mm Oped Keyboard size:223*173*6mm Weight: 198g Package list： 1*Foldable Keyboard 1*USB Charging Cable 1*User Manual Package List: 1*Foldable Keyboard 1*USB Charging Cable 1*User Manual