| Color | Black |
| Brand | Fineblue |
| Model | FD890 |
| Material | Plastic |
| Quantity | 1 Piece |
| Ear Coupling | Ear-hook |
| Bluetooth Version | V4.0 |
| Operating Range | 10M |
| Radio Tuner | No |
| Microphone | Yes |
| Supports Music | No |
| Connects Two Phones Simultaneously | Yes |
| Applicable Products | Others、cell phones or tablets with bluetooth |
| Built-in Battery Capacity | 150 mAh |
| Battery Type | Li-ion battery |
| Talk Time | 4 Hour |
| Standby Time | 120 Hour |
| Plug Specifications | Others、USB2.0 |
| Power Supply | DC 5V |
| Other Features | Support voice report numberSupport voice reminding function |
| Packing List | 1 x Bluetooth Headset 1 x Detachable Ear Hook 1 x USB cable (80cm) 1 x Earphone cable (57cm) 1 x English & Chinese User Manual |