Novelview NVK66 Bluetooth wireless folding keyboard Keyboard type Folding keyboard Bluetooth version 3.0 Working distance Up to 10M Sleep function Step 3 automatic sleep function Key switch Paenta graph procedure type Keyboard Type 66 keys Multimedia keys 8 keys Battery Built-in Lithium battery Size 292.6 x 84 x 6.5mm / 350g Operating System Compatible for all OS COmponents •NVK-66 Body •Case combined Stand •Micro USB 5 Pin cable for Charging •Manual(korean)