1、The brushed metal texture keyboard panel is non‑slip, convenient for use, looks elegant and stylish. 2、Light weight and in small size, ultra‑thin, easy to carry, convenient for you to take it on trips or business trips. 3、It can be used with smartphones, tablets, and laptops, easy to connect to Bluetooth, very practical. 4、Quiet when pressing the keys, water proof, dust proof, fast typing, and comfortable to touch. 5、Made of premium plastic material, safe and eco‑friendly, stable and firm for long term use. Item Type: Wireless Bluetooth Keyboard Material: ABS Color: Black 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 Key-Press Strength: 80±10g Button Life: 5 Million Clicks Operating Instructions: 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 and find "Bluetooth 3.0 keyboard". After the pairing is successful, the indicator light will turn off and you can start using it. 1 x Keyboard 1 x Data Cable