i66 Pro
| Color | White |
| Weight | 40g |
| Bluetooth Version | V5.3 |
| Playing Time | 4.5hrs |
| Battery Capacity | 30mAh(Headset) |
| 300mAh(Charging Bay) | |
| Charging Time | ≈1.5hrs |
| Port | Type-C |
| Transmission Distance | 10m |
i66 Pro
| Color | White |
| Weight | 40g |
| Bluetooth Version | V5.3 |
| Playing Time | 4.5hrs |
| Battery Capacity | 30mAh(Headset) |
| 300mAh(Charging Bay) | |
| Charging Time | ≈1.5hrs |
| Port | Type-C |
| Transmission Distance | 10m |
