| Color | Black |
| Model | K2 |
| Material | ABS + PC |
| Quantity | 1 Piece |
| Shade Of Color | Black |
| Bluetooth Version | V4.0 |
| Operating Range | 10m |
| Standby Time | 60 Hour |
| Applicable Products | Universal |
| Battery Type | Li-polymer battery |
| Built-in Battery Capacity | 80 mAh |
| Power Adapter | USB |
| Power Supply | 5V |
| Packing List | 1 x Sunglasses 1 x USB charging cable (80cm) 1 x Earphones (60cm) 1 x Punch 1 x Cleaning cloth 1 x Chinese instruction 1 x Test card |