1、This wireless bluetooth keyboard is especially designed for 13in for Microsoft Pro 7 / 6 / 5 / 4 / 2、Allows for stable and safe connection to for Microsoft Pro for higher working efficiency. 3、The keyboard can be easily connected through the bluetooth, and very easy to carry for daily use. 4、Equipped with a touchpad, also has media control keys, full function keys, 7‑color LED backlight. 5、Guarantees the same speed and function of a notebook computer keyboard, very convenient to use. 1 x Wireless Bluetooth Keyboard1 x Data Cable1 x User Manual Item Type: Wireless Bluetooth KeyboardKeyboard Type: American Keyboard QWERTYModel: 1089-DMaterial: ABSLighting Effect: 7-Color LED BacklightConnection: Wireless Bluetooth 5.0Effective Operating Distance: Approx. 10metres / 32.8ftModulation Method: GFSKWorking Voltage: 3.0- 4.2 VWorking Current: <8 mAStandby Current: < 0.3 mASleep Current: <40 uACharging Current:> 200 mAStandby Time:> 100 daysCharging Time: 2-3 hoursInterface Type: Type-CBattery Type: Built-In 550mAh Lithium BatterySustainable Working Hours: >35 hoursLithium Battery Life: 3 yearsKeystroke Force: 80±10gButton Life: 5 million clicksWorking Temperature: -10-+55 degreesApplicable Equipment: For Microsoft Pro 3/4/5/6/7 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.