What this keyboard can offer you is 1000mAh large capacity battery, which enables it to realize long battery life and long standby time.There are USB wired connection and Bluetooth-compatible connection that this keyboard provided, which can bring you better usage experience.Made of high-quality ABS material, it is lightweight and durable to use.The length of this product is 34cm, the width is 10.8cm, and the height is 3.5cm.The keyboard is suitable for computer, laptop, desktop and so on. And it is compatible for Windows XP/Vista/7/8/10.Item Name: Wireless KeyboardMaterial: ABSrand: AJAZZModel: K680TColor: Black, White (Optional)Style: Blue/Black/Brown/Red Switch (Optional)Battery: Built-in 1000mAh Rechargeable Battery (Included)Interface Type: Type-CTransmission Mode: USB Cable, Bluetooth-compatible 3.0Wire: 1.6m Braided WireN-Key Rollover: Wired Mode Supports N-Key RolloverBacklight: Monochrome (18 Light Effect)Key Layout: 68 Keys Supported System: for Windows XP/Vista/7/8/10Features: Dual Modes, 68 Keys, Long-lastingSize Details: 34cm x 10.8cm x 3.5cm/13.39" x 4.25" x 1.38" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Wireless Keyboard1 x TPC Data Cable1 x User Manual