BT302 28 Keys Laptop Mini Wireless Keyboard, Spec: Bluetooth (Black)

1. Material: ABS, electronic components2. Number of keys: 28 keys3. Bluetooth version: 5.04. Button Technology: X Architecture5. Power supply mode: DC 3.0V6. Working voltage: 1.8-3.0V7. Battery capacity: AAA battery x 2 (shipping without battery)8. Ergonomic angle design, the wrist is naturally relaxed, effectively relieve fatigue9. Anti-slip silicone pad design on the back, stable and not easy to slide10. Compatible with various devices11. Product size: 13.4 x 10.5 x 2.2 cm12. Product net weight: 170 grams