2-in-1 Alloy Ultra-Thin Bluetooth Keypad Calculator with LCD Display

Supports MAC OS & Windows OS, an ideal time-saver for data entry and accounting activities Compact, comfortable and convenient Accurate, eliminating the need to manually enter, highly improve efficiency Application in stock, notebook computers, banking, etc. Type: Keyboard Keyboard Type: Membrane Keyboard Connect Type: Bluetooth Wireless Power Supply: USB System: Mac OS, Windows Size: 130 x 130 x 17.5 mm / 5.12 x 5.12 x 0.69 inch Weight: 150 g / 5.29 oz