STABLE BLUETOOTH 5.0 CONNE CTION Super easy to use, no drivers, software or hassle required; Simply enable your laptop's Bluetooth to sync the Bluetooth number pad and start crunching numbers right away. Adopting the latest Bluetooth 5.0 chip, provides a cable-free & clutter-free connection, no delays and dropouts, fast data transmission, range up to 10 meters. This wireless number pad is the perfect add-on extension to your laptop or compact keyboard. MULTI-FUNCTION 22-KEY NUMERIC KEYPAD With 22 full-size keys (enhanced with scissor switches & quiet keycaps), supports 0-10 numeric keys,+,-,*,/, plus NumLock, ESC, PgUp, PgDn, Delete and a shortcut key for quick access to the calculator and improved productivity. The multi function bluetooth numeric keypad is an ideal choice for bookkeepers working on excel, teachers entering grades, office workers for data entry, etc. HIGH-CAPACITY RECHARGEABLE BATTERY Built-in durable 280mAh lithium rechargeable battery, with on/off and auto-sleep mode function, this rechargeable bluetooth number keypad can work for up to 120 hours on a single charge. Easily recharged by included Type-C cable, no need to replace the battery, which is more convenient and saves money. Pressing any key can wake up the bluetooth numpad within 3 seconds. SLEEK, PORTABLE & ERGONOMIC DESIGN Lightweight and Portable. Easily put this ultra slim bluetooth keypad into your laptop bag, backpack, suitcase, or pockets without taking up space. Integrated Ergonomic tilt provides a comfortable smooth typing experience and reduces strain. The compact wireless numeric keypad is great for home, office, traveling, business trip, and more. WIDELY COMPATIBILITY bluetooth number pad can work well with Bluetooth-enabled laptop, notebook, PC and desktop computer that have Windows 2000/XP/Vista/7/8/10 systems.Warm Tips: This is NOT compatible with Chromebook. Since MAC OS is a special system, the "Calculator", "NumLock" keys won't work with Mac, but other keys and number keys can work well. Delivery quantity: 1pc Package content: only the above package content, excluding other products. Size: 13.5 * 8.85 * 1.9cm(Warm prompt: the size is measured manually, please allow 1-2 cm measurement error) Color: black(Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown in the picture.)