1. Material: ABS, electronic components
2. Number of keys: 28 keys
3. Bluetooth version: 5.0
4. Button Technology: X Architecture
5. Power supply mode: DC 3.0V
6. Working voltage: 1.8-3.0V
7. Battery capacity: AAA battery x 2 (shipping without battery)
8. Ergonomic angle design, the wrist is naturally relaxed, effectively relieve fatigue
9. Anti-slip silicone pad design on the back, stable and not easy to slide
10. Compatible with various devices
11. Product size: 13.4 x 10.5 x 2.2 cm
12. Product net weight: 170 grams