| Color | Red B7 bare metal (OP bag packaging), Black B7 bare metal (OP bag packaging), Red B7 (color box packaging), B7 black (color box packaging), White B7 bare metal (OP bag packaging), White B7 (Color Box Packaging) |
| Brand | Neutral |
| Goods number | B7 |
| Transmission | 10m |
| Function | Call function, Support music, 21517982710 |
| Custom processing | No |
| Add print logo | Can |
| Bluetooth protocol | 5.0 |
| Channel | Stereo |
| How to use | Ears |
| Whether to | Double-sided, three dimensional |
| Occasions for gifts | Advertising |
| Whether the supply of supply of cross -border exports | No |
| Support customization | Support |
| Whether to patented | No |
| Mold | Public model |
| Chip type | Unreasonable |
| Battery life | 8 |
| Listing year/season | 2023 |
| Only change or not | Support |
| Waterproof performance | Life waterproof |
| Style | Creative design |
