Wireless type: Bluetooth. Connectivity: Wireless.
| Number Of Earpieces | Double |
| Model | V40019bt |
| Country/Region Of Manufacture | China |
| Wireless Technology | Bluetooth |
| Microphone Type | Built-In |
| Connectivity | Bluetooth Wireless |
| Type | Headphones |
| Color | Black |
| Year Manufactured | 2010s |
| MPN | 2711116, 27111118 |
| Fit Design | Ear-Hook |
| Use | Portable Audio |
| Manufacturer Color | Black |
| Brand | Vivitar |
| Manufacturer Warranty | None |
| Form Factor | Ear-hook |
| UPC | 681066631874 |
What stands out about this Headphones build is the flexible band that adjusts without feeling tight or squeaky.