Description: With the use of large-capacity battery, this drawing keyboard supports fast charging and has long standby time. This drawing keyboard uses Bluetooth-compatible 5.0 connection, which has high-speed stable transmission, precise positioning and good anti-interference performance. It is constructed of ABS material. The length of this product is 14.73cm, the width is 11.94cm and the height is 2.29cm. The keyboard is very suitable for graphics drawing tablet. And it supports for Android, for Microsoft, for Apple systems. Item Name: Drawing Keyboard Material: ABS Keys: 35 Keys Connection with Computer: Bluetooth-compatible 5.0 Interface: USB Interface Effective Distance: 10 Meters Voltage: 3.3V Battery Capacity: 250mAh (Included) Button Life: More Than 10 Million Times Wake-up Time 2 Seconds Standby Time 60 Days Support System: for Android, for Microsoft, for Apple Features: Portable, Fast Charging. Long Standby Time Size Details: 14.73cm x 11.94cm x 2.29cm/5.8" x 4.7" x 0.9"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Drawing Keyboard 1 x Data Cable 1 x User Manual