Black USB‑C Ethernet Port Expander
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| Brand | Trust |
| MPN | 21491 |
| SKU | 21491 |
| EAN | 8713439214918 |
| ASIN | B01LY9CD41 |
| Acoustic system | Closed |
| Adjustable angle | Yes |
| AWG wire size | 30 |
| Battery capacity | 56 Wh |
| Battery cells | 6 |
| Battery operated | Yes |
| Battery recharge time | 1.5 h |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery type | Built-in battery |
| Battery voltage | 10.8 V |
| Bluetooth | Yes |
| Bluetooth profiles | A2DP,AVRCP,HFP,HSP,PBAP,SPP |
| Bluetooth version | 5.0 |
| Brand compatibility | Any brand |
| Built-in battery | No |
| Built-in speakers | No |
| Bus power | 5 V |
| BUS Powered | USB |
| Cable jacket material | Polyvinyl chloride (PVC) |
| Cable length | 1 m |
| Cables included | Micro-USB |
| Case type | Folio |
| Certification | UL 2919 |
| Closure type | Not supported |
| Connectivity technology | Wireless |
| Connector 1 form factor | Straight |
| Connector 1 gender | Male |
| Connector contacts plating | Gold |
| Continuous audio playback time | 37 h |
| Country of origin | China |
| Depth | 360 mm |
| Detachable Cable | Yes |
| Diameter | 1.75 mm |
| Display diagonal | 39.6 cm (15.6") |
| Display resolution | 1920 x 1080 pixels |
| Display type | LED |
| Driver unit | 4 cm |
| Ear coupling | Supraaural |
| External power adapter | No |
| Fast charging | Yes |
| File format system | NTFS |
| Folding microphone | Yes |
| Glossy display | No |
| Hardness | HB |
| HD type | Full HD |
| HDD Capacity | 1000 GB |
| HDD size | 2.5" |
| Headphone frequency | 20 - 20000 Hz |
| Headphone sensitivity | 117 dB |
| Headset type | Monaural |
| Illumination | No |
| Interface | Serial ATA III |
| LED indicators | Yes |
| Mac operating systems supported | Yes |
| Magnetically shielded | Yes |
| Manual | Yes |
| Master (outer) case gross weight | 5.42 kg |
| Master outer case height | 27.5 cm |
| Master outer case length | 33 cm |
| Master outer case width | 40 cm |
| Material | Polyurethane |
| Maximum data transfer rate | 5000 Mbit/s |
| Maximum resolution | 3840 x 2160 pixels |
| Maximum Screen Size | 26.7 cm (10.5") |
| Maximum user height | 210 cm |
| Mean time between failures | 1500000 h |
| Microphone frequency | 100 - 8000 Hz |
| Microphone mute | Yes |
| Microphone sensitivity | -26 dB |
| Microphone Type | Boom |
| Mobile operating systems supported | Android, iOS |
| Noise reduction | Yes |
| OEM code | CE250A |
| Operating keys | Bluetooth pairing, Multi-key, Play/Pause, Track , Volume +, Volume - |
| Package type | Polybag |
| Pouch | Yes |
| Print technology | Laser printing |
| Printing colours | Coral |
| Printing material | Polylactic acid (PLA) |
| Product main colour | Orange |
| Protection features | Scratch resistant |
| Quantity per box | 12 pc(s) |
| Quantity per master outer case | 10 pc(s) |
| Read speed | 560 MB/s |
| Receiver included | Yes |
| Recommended usage | Office/Call center |
| RoHS compliance | Yes |
| Security algorithms | 256-bit AES |
| SMART support | Yes |
| Stand mode | Yes |
| Supported video modes | 2160p |
| Talk time | 35 h |
| Thickness | 0.7 mm |
| Thunderbolt technology | No |
| TRIM support | Yes |
| Type | Battery |
| USB connectivity | Yes |
| USB connector | Micro-USB B |
| USB data transfer rates | 480,5000 Mbit/s |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| User Guide | Yes |
| Volume control | Button |
| Wearing style | Head-band |
| Wi-Fi | No |
| Width | 224 mm |
| Write speed | 530 MB/s |
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