True wireless, rechargeable Bluetooth earbuds, designed to comfortably fit any ear shape<br><br>The Duet earbuds offer a completely wireless audio solution. Bluetooth 4.2 provides trouble-free connection and keeps the music quality as high as the original. The earphones can easily be connected to music apps like Spotify, Apple Music or Deezer.<br><br><b>PROTECTIVE CHARGING CASE</b><br>The storage box is also a protective charging case with built-in 600 mAh rechargeable battery and USB charge cable battery.
Simply put the earbuds in the storage box and it automatically starts charging.<br><br><b>ALWAYS A PERFECT FIT</b><br>Of course it is essential that earbuds stay in your ears. That is why different sizes of silicone in-ear shells are included; so the in-ear shells will always fit. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-204-1681, indicating validated use in U.S.
government and defense logistics supply chains.
| color | WHITE INSCRIPTION BACKGROUND |
| material | PLASTIC METHACRYLATE LENS |
| inscription | ALARM AND RESET BACK |
| overall_width | 0.594 INCHES NOMINAL IN |
| overall_height | 0.250 INCHES NOMINAL IN |
| overall_length | 0.969 INCHES NOMINAL IN |
| mounting_method | PRESS FIT |
| style_designator | FLAT |
| surface_condition | SMOOTH BACK |
| mounting_device_quantity | 1 |
| light_transmission_design | TRANSLUCENT LENS |
| NSN | 3455-00-204-1681 |
| MATERIAL | STEEL CUTTING EDGE TIP |
| NONDEFINITIVE SPEC/STD DATA | 2 CLASS AND A GRADE AND A STYLE AND X TYPE |
| SPECIFICATION/STANDARD DATA | 80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| MATERIAL | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| SHANK DIAMETER | 0.180 INCHES NOMINAL IN |
| FLUTE QUANTITY | 6 |
| FLUTE DESIGN | STRAIGHT |
| SHANK TYPE | STRAIGHT |
| DIAMETER | 0.188 INCHES NOMINAL IN |
| OVERALL LENGTH | 4.500 INCHES NOMINAL IN |