| Color | Black |
| Model | Primo3 |
| Material | ABS + PC |
| Quantity | 1 Piece |
| Shade Of Color | Black |
| Ear Coupling | Neckband |
| Bluetooth Version | V4.0、Others、Bluetooth V4.1 |
| Operating Range | 10M |
| Radio Tuner | Yes |
| Microphone | Yes |
| Supports Music | Yes |
| Connects Two Phones Simultaneously | Yes |
| Applicable Products | Universal |
| Built-in Battery Capacity | 190 mAh |
| Battery Type | Li-polymer battery |
| Talk Time | 5 Hour |
| Music Play Time | 5 |
| Standby Time | 140 Hour |
| Power Adapter | USB |
| Power Supply | 5V |
| Packing List | 1 x Bluetooth earphones 1 x USB cable (30cm) 8 x Storage boxes 1 x Instructions ( English and Chinese) |