Specifications: material: metal Number of keys: 83 keys Applicable phone / tablet models: Universally Type: keyboard Interface: Connection with computer: Shortcut key: Yes Key technology: mechanical axis Product application: office/game entertainment Product features: waterproof, wear-resistant, game configuration Feature 1: Wired connection to computer, wireless connection to mobile phone, tablet, notebook, supports simultaneous connection of three devices Feature 2: Brushed panel, mobile phone tablet bracket, light adjustment rocker, brightness adjustment knob Feature 3: Full keyboard without punching mechanical green shaft, classic appearance and classic quality Feature 4: Colorful/white backlight effect to meet the needs of game scenes. Please Note: 1.If you find the products with some issues or you're not satisfied of the products, please feel free to contact us, we will give you the best reply.(Please don't give negative feedback directly). 2. If you need this product, please feel free to place an order because we will provide you with the best service and technical support. Convenience control.