Newer Tech Bluetooth Aluminum Keypad, White (NWTKPA28BTW) Versatile, Lightweight, Compact, Sturdy & Durable Functions As A Stand-alone Keypad Or With A Variety Of Other Keyboards Precision-machined Aluminum Housing quick & Reliable With Bluetooth Pairing That Stays Connected With A Range Up To 30ft Full-sized 28-key Design With Delete, Tab, Navigation & More Ergonomic Tilt With Firm Desktop Grip lightweight & Perfectly Sized For Mobile Or Desktop Use Long Battery Life Precision machined aluminum housing Quick and reliable wireless pairing that stays connected with a range up to 30-feet Full-sized 28-key design with: delete, tab, navigation, and more Ergonomic tilt with firm desktop grip Lightweight and perfectly sized for mobile or desktop use Long battery life Compatible with Bluetooth enabled Macs, PCs, Chromebooks, and iDevices US - English White Aluminum US - English Black Aluminum 4.3 in (W) x 5.75 in (L) x .76 in back angled to .19 in front (H) 110.2 mm (W) x 131.4 mm (L) x 19.4 mm back angled to 4.7 mm front (H) 4.9 oz, 0.14 kg Wireless Aluminum Keypad Bracket (2) AAA Batteries