Feature:1. Stable Connection: Wireless numeric keypad uses BT 5.0 connection to connect stability.2. 35 Key Design: The 35 key ultra thin number keyboard is the most commonly used standard keyboard on for OS X,for iOS, which allows you to visit favorite shortcuts immediately.3. Professional Design: Numeric keypad is designed for OS X users, which solves many troubles of digital keyboard input data.4. Strong Practicality: The 35 key numeric keyboard is ideal for sketching, coloring and digital painting on the computer, best for artists and people who like to draw art.5. Soft Rubber: The 35 key numeric keypad has 4 pieces of soft rubber on the back to keep it stable on the desktop without loosening.Specification:Item Type: 35 Keys Numeric KeypadMaterial: ABSButton: 35 KeyCharging Interface: Type C InterfaceBuilt in Lithium Battery Capacity: 250mAh (including)Support System:For OS X .Package List:1 x 35 Keys Numeric Keypad1 x User Manual1 x Charging CableNote:Delivery with built in battery.