Description: Bluetooth 3.0 technology provides a cable-free & clutter-free connection, operating distance 10m. Fast channel switch between 3 devices without any interference or disconnection. No need to restart pairing process. Also, the stand provides a perfect angle and typing experience for you to enjoy wireless technology lifestyle. 78 keys and Scissor keycaps design offer you a quiet comfortable typing experience. Widely Compatible with Cellphone Tablet PC laptop Desktop with Android Windows iOS and Mac OS system. For Apple iPad Air, For iPad 4 / 3 / 2, For iPad Mini 4, For iPhone, For Galaxy Tab, For Macbook, For Surface pro & More Enter into sleep mode automatically when no operation for 10-15 minutes for power saving. Click any button to wake it up. Specification: Keyboard model: 3381 Bluetooth Version: Bluetooth 3.0 Keyboard standard: 78 keys Size: 297*178*22mm Resolution: 3000dpi Working method: optical Key life: 3 million times Transmission distance: about 10m Batteries : 2 AAA Batteries( NOT included Package Includes: 1x keyboard 1 x user manual