KEYBOARD AND MOUSE COMBO - Includes a sleek & stylish keyboard and a precision mouse so you can work comfortably away from your computer or laptop. Compatible with Windows 2000, XP, Vista, Win 7, Win 8, and Win 10. (Not fully compatible with Mac, OS System.) ULTRA-THIN & PORTABLE DESIGN - 11.18 x 5.28 x 0.71 inch With 78 Keys. Compact and portable keyboard, simple style, save space layout and easy to carry. Perfect for business travel, office, home, cafe, library and so on. (NOTE: THIS SLIM KEYBOARD IS NOT A FULL SIZE KEYBOARD.) 2.4GHz WIRELESS CONNECTION - Using advanced 2.4GHz wireless technology, plug and play, one tiny receiver connects with both your keyboard and mouse combo, no additional drivers required. Signal transmission stability, working range up to 33ft. (The USB Receiver is inserted in the battery compartment of the keyboard.) INTELLIGENT SLEEP FOR SAVING POWER - It will auto power off when not in use for 10 minutes but you can wake it up by just one clicking,