| OEM | Welcome |
| Version of bluetooth | bluetooth V5.0 |
| Charge time | 2 hours |
| Effective distance | 10M |
| Working hours | About 8 hours |
| Transmission Power | Class II |
| Frequency | 2.4 - 2.4835 GHZ |
| Bluetooth Sensitivity | - 85dB |
| Play time | 4-6 hours |
| Quantity(Pieces) | 1 - 100 | 101 - 500 | >500 |
| Est. Time(days) | 7 | 10 | To be negotiated |