| General Specification | |
| Product number | B9 Upgrade (Caller Alert) |
| Material | Metal + ABS |
| Wearing Type | in-ear |
| Product Size | 3.5cm in diameter / 10cm in length |
| Net Weight (g) | 78g |
| Technical Parameters | |
| Touch / button control | Touch control |
| Noise cancelling | CVC 6.0 |
| Bluetooth Version | V5.0 |
| Caller Alert | Yes |
| Binaural call | Yes |
| Siri / voice assistant | Yes |
| Battery Capacity | 40mAh/300mAh |
| Charging Time (h) | 1h |
| Talking Time (h) | 3-4h |
| Compatible | iOS Android phone, laptop, and other Bluetooth devices |
Package Included:
| B9 TWS | 4* Ear cap |
| 1* USB Charging Cable |
