Price history
| Date | Product name | Price | List price |
|---|---|---|---|
| Bàn phím HyperWork KB1 (Bluetooth) | 490,000 | 700,000 | |
| Bàn phím HyperWork KB1 (Bluetooth) | 490,000 | 700,000 | |
| Bàn phím HyperWork KB1 (Bluetooth) | 490,000 | 700,000 | |
| Bàn phím HyperWork KB1 (Bluetooth) | 490,000 | 700,000 |