Bluetooth wireless with fast data transmission and up to 33 feet working range. Ergonomic design features high-quality plastic material, slim numeric keypad, ergonomic tilt, and anti-slip pads on the back for added comfort. Multi-function 22-key number pad supports NumLock, ESC, Tab, Delete, and other functions. Soft-touch scissor switches provide a comfortable, quiet typing experience with a rounded key design. Rechargeable built-in battery offers up to 3 months of use on a single charge. Compatible with PCs and desktop computers running Windows 2000/XP/Vista/7/8/10 and iOS operating systems. Available in white, green, and pink. Made of plastic. Package includes: 1 x Wireless Number Pad. Other items not included. Note: Lighting and display differences may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.