1、Portable, ultra‑thin, light weight, convenient to carry, suitable for travel or business trips. 2、It can be used with intelligent mobile phones, tablets, laptops, and desktop computers. 3、The keyboard keys are quiet, waterproof, dustproof, fast typing, good hand feeling and easy to use. 4、The brushed metal texture keyboard panel is non‑slip and durable, providing a high‑end feel. 5、Support wireless Bluetooth connection, effective working distance is 10 meters. Item Type: Keyboard Material: ABS Modulation Method: GFSK Connection: Wireless Bluetooth 3.0 Effective Working Distance: 10m / 32.8ft Working Voltage: 3.0-4.2V Working Current: <2.5mA Standby Current: <0.3mA Sleep Current: <40uA Charging Current:> 200mA Standby Time:> 100 Days Charging Time: 2-3 Hours Battery Type: Built-In 180mAh Lithium Battery Sustainable Working Time: About 150 Hours Battery Life: 3 Years Button Force: 80±10g Button Life: 5 Million Clicks How to Use: 1. Set the keyboard power button to the "on" position, the power indicator will light up for 4 seconds and then go out 2. Press "Connect" to start the Bluetooth button, the Bluetooth connection will flash, and it is in a state of waiting for connection 3. Turn on the device's Bluetooth, find "Bluetooth 3.0 keyboard", after the pairing is successful, the indicator light will go out, you can start to use 1 x Keyboard 1 x Charging Cable