| Host interface | USB Type-A |
| Output interface | Bluetooth |
| Bluetooth version | 4.0 |
| Bluetooth Low Energy (BLE) | Yes |
| Internal | No |
| Product colour | Black, Gold |
| Hot-Plug support | Yes |
| Easy to install | Yes |
| Wireless range | 10 m |
| Plug and Play | Yes |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 5 - 90% |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8, Windows 8.1, Windows XP |
| Width | 14.8 mm |
| Depth | 6.8 mm |
| Height | 18.9 mm |
| Quick installation guide | Yes |
| Package width | 118 mm |
| Package depth | 102 mm |
| Package height | 23 mm |
| Description |
| TP-Link UB400. Host interface: USB Type-A, Output interface: Bluetooth. Product colour: Black, Gold. Wireless range: 10 m. Windows operating systems supported: Windows 10, Windows 7, Windows 8, Windows 8.1, Windows XP. Width: 14.8 mm, Depth: 6.8 mm, Height: 18.9 mm |