Features: and High performance chip bluetooth-compatible 5.1 version solution. Effective connecting distance- 10 meters or 32.8ft. 360 rotating magnic keyboard, very convenient to use and share screen informations. With built-in pencil holder, organizer your pencil, easily to carry and use. Design for pro 12.9 inch 2021 2019 2018, built in 450hAm battery. Specifications: Category: Wireless Leyboard Size: approx 28.4X24.4X1.7cm or 11.18x9.6x0.67in Battery Capacity: 450 mA Working voltage: 3.2-4.2V Chip: Bluetooth-compatible version 5.1 Use Distance: within 10 meters or 32.8ft Interface: Bluetooth-compatible Material: ABS Color: Black or Silver or Rose Gold Note: Just keyboard for case, not including tabletandpencil Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 PC x Keyboard with for Case 1 PC x Charing Cable 1 PC x User manual Note: 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.