| Product name | Active Noise Cancellation Bluetooth Earphone |
| Bluetooth Program | Bluetrum 8922E2 |
| Bluetooth version | Bluetooth V5.2 |
| signal to noise ratio S/N | ≥90dB |
| Support Bluetooth profile | A2DP、HFP、AVRCP |
| Speaker unit | Φ10mm |
| The speaker resistance | 32Ω |
| Frequency response | 50Hz～20KHz |
| Bluetooth working frequency | 2.402GHz~2.480GHz |
| The control mode | One touching button |
| （TYP ) Receiving sensitivity | -94 dBm |
| Battery | 60mAh |
| Music time | About 8 hours |
| Talk time | About 7 hours |
| Charging time | About 1.5 hours |
| Bluetooth range | ≥10m |
| (TBR) | <10m |
| Working hours | 8hours（ Earphone）+16hours（Charging case） |
| Product weight | 4.9g /个 |
| Product color | Silver、Blue |
| Charging Case |
| Battery | 500mAh |
| Charging port | USB-C |
| Charging time | About 1.5-2.5 hours |
| Product weight | 31.3g |
