Split-key and 3-D design conforms to your natural arm and hand positions. Integrated palm rest design support your wrists a comfort position. Recommended for repetitive strain injuries (RSI) users The tactile keystroke is designed in order to reduce pressure when you press the keys and to give you the benefit to type more comfortable Plug and Play keyboard with USB interface, easy to start to use. Cable is about 6.0 Ft. It is long enough for you to connect with your computer, whether it is on or under your desk

✔【CABLE&CLUTTER FREE】: Bluetooth 3.0 technology provides a cable-free & clutter-free connection,operating distance 10 m. Do Not Occupy Any USB Port; More convenient,stable and power-saving. ✔【UNIVERSAL COMPAYIBILITY】: The bluetooth keyboard works with iOS, Android, Mac and Windows, with shortcut keys for all four systems. Apple iPad Air, iPad 4 / 3 / 2, iPad Mini 4, iPhone 7Plus/7/6S/6, Galaxy Tab ,Galaxy Note, Surface & More (Incompatible with Nook Tablets) ✔【WORK FOR LONGER WITH RECHARGEABLE BATTERY】 : With built-in 350mAh rechargeable Li-ion battery, this bluetooth rechargeable keyboard supports 60 hours uninterrupted work, 6 months standby after 3 hours full charge.