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UGREEN US381 USB 3.0 Female to Female Adapter | 5Gbps Data Transfer | Aluminium Shell | Joins Two USB-A Cables
Link short leads into one longer run for printers, keyboards and external storage.
Condition: New
Note: price and availability are subject to change without prior notice
The UGREEN US381 USB 3.0 Female to Female Adapter is available at Mascom International for KSh 800, brand new and sealed, with 5Gbps data transfer and a grey aluminium shell. It joins two USB-A cables end to end, so a pair of short leads becomes one longer run without dropping to slower USB 2.0 speed. The UGREEN US381 USB 3.0 Female to Female Adapter is made by UGREEN, the Shenzhen accessory brand known for its cables, hubs and chargers. You can pick one up at our Old Mutual Building store on Kimathi Street in Nairobi CBD, or order it for delivery anywhere in Kenya.
Built for office managers, shop owners, university students and anyone whose gear sits just beyond a cable's reach, the UGREEN US381 USB 3.0 Female to Female Adapter fixes a familiar desk problem. A barcode scanner's fixed cord stops short of the till, or a webcam lead will not reach the top of a monitor. Instead of buying a longer replacement, you join the cable you have to a second one. Customers across Nairobi tell us they use it at shop counters in Industrial Area and Westlands, where the PC often sits under the desk. With the UGREEN US381 USB 3.0 Female to Female Adapter and two USB 3.0 cables, a backup drive still copies at full USB 3.0 speed.
Unlike other electronics retailers in Kenya that sell unbranded joiners with unknown wiring inside, Mascom International stocks the genuine UGREEN US381 USB 3.0 Female to Female Adapter at a fair KSh 800. At Mascom International, we're seeing steady orders from schools, cyber cafés and small offices in Kisumu, Nakuru and Eldoret that want tidier cable runs. The adapter costs less than most replacement cables and slips into a shirt pocket. Visit the store on Kimathi Street to try it with your own cables first, or order it and pay on arrival when it reaches your county.
Common Questions About the UGREEN US381 USB 3.0 Female to Female Adapter
How much is the UGREEN US381 USB 3.0 Female to Female Adapter in Kenya?
The UGREEN US381 USB 3.0 Female to Female Adapter costs KSh 800 at Mascom International in Nairobi CBD, sealed in its UGREEN retail packaging. That price includes a 6-month warranty against manufacturing defects and pay-on-arrival delivery across Kenya, so you can inspect it before paying cash or M-Pesa. Nothing else is needed to use it: no drivers, no software and no power supply. If your real need is plugging USB-C gadgets into USB-A ports, the UGREEN US701 two-adapter pack costs KSh 100 less at KSh 700.
What does the UGREEN US381 USB 3.0 Female to Female Adapter actually do?
The UGREEN US381 USB 3.0 Female to Female Adapter joins two USB-A male plugs so that two cables behave like one. Each end has a full-size USB-A socket. You push a plug into each side, and data and power pass straight through. Typical uses include extending a device with a fixed cord, joining a short lead to a male-to-male cable, or turning two spare cables into one longer run. It works as a simple pass-through, so there is nothing to set up.
Does the US381 keep full USB 3.0 speed when joining two cables?
Yes, the UGREEN US381 USB 3.0 Female to Female Adapter carries the full USB 3.0 signal, rated at up to 5Gbps. To get that speed, both cables and both connected devices must also support USB 3.0. A single USB 2.0 cable anywhere in the chain drops everything to 480Mbps, roughly a tenth of the rated figure. Keep the combined length modest too, because USB 3.0 signals weaken over long passive runs. If a drive keeps disconnecting, a shorter pair of cables usually solves it.
Should I buy the UGREEN US381 or the UGREEN US701 2-pack at KSh 700?
Buy the UGREEN US381 USB 3.0 Female to Female Adapter at KSh 800 when your problem is length, because it joins two USB-A cables. The UGREEN US701 USB-A Male to USB-C Female Adapter 2-Pack at KSh 700 solves a different problem. It lets a USB-C phone, flash drive or card reader plug into a USB-A port, and it is rated at 10Gbps. The US381 cannot change one plug shape into another, and the US701 cannot join two cables. Choose by the plug you are holding.
Is the UGREEN US381 a good fit for shops, offices and cyber cafés in Kenya?
The UGREEN US381 USB 3.0 Female to Female Adapter suits Kenyan counters and offices where computers hide under desks or behind partitions. Cyber cafés printing eCitizen and KRA iTax forms often need a scanner or keypad moved closer to the customer, and this joiner makes that possible without new wiring. Its aluminium shell handles the heat of a crowded room better than thin plastic, and it wipes clean of dust. Blow out both sockets now and then, especially in dusty towns during the dry season.
Who should buy the UGREEN US381, and who should skip it?
Buy the UGREEN US381 USB 3.0 Female to Female Adapter if you own two cables with USB-A male ends and need them joined, or you want to extend a device with a fixed cord. Skip it if your phone or flash drive uses USB-C; the UGREEN US276 USB-A Male to USB-C Female Adapter at KSh 1,000 or the US701 pair at KSh 700 is the right tool. Skip it as well if you need a run of many metres; an active USB extension cable handles long distances better.
Can the UGREEN US381 carry power for charging a phone or powering a device?
Yes, the UGREEN US381 USB 3.0 Female to Female Adapter passes power through along with data, so a phone, keyboard or desk fan keeps working on a joined cable. It does not add or boost power. The amount reaching your device depends on the port or charger at the far end. Long joined runs lose a little voltage, so a phone may charge more slowly than on one short cable. Hard drives without their own power supply work best on short cables.
Will the US381 work with Windows, macOS, smart TVs and printers without drivers?
Yes, the UGREEN US381 USB 3.0 Female to Female Adapter needs no drivers on any system because it contains no software layer. Windows, macOS, Linux and ChromeOS see only the device at the end of the cable, exactly as if it were plugged in directly. The same goes for smart TVs, decoders, car stereos and printers with USB-A ports. If a device works on a direct cable, it should work through the joiner, provided both cables are in good condition.
Technical Specifications
Core Function
- Joins two USB-A male plugs end to end — two short cables act as one longer cable.
- Female USB-A socket on both sides — either end accepts any standard USB-A plug in the right orientation.
- Straight pass-through design — data and power travel through unchanged, so devices behave as if directly connected.
- Model US381 from UGREEN — the model number is printed on the packaging for easy warranty matching.
- Works for extending fixed device cords — scanners, keyboards, mice and webcams gain reach without rewiring.
- No conversion between plug types — it joins USB-A to USB-A only, not USB-A to USB-C.
Data Speed and Performance
- USB 3.0 rated at up to 5Gbps — fast enough for external hard drives and quick flash drive copies.
- 5Gbps equals about 625MB per second in theory — real copies are slower and usually limited by the drive.
- Backward compatible with USB 2.0 — older devices still connect, at their own slower speed.
- Full speed needs USB 3.0 cables on both sides — one USB 2.0 cable slows the whole chain.
- Passive design adds no delay you will notice — keyboards, mice and game controllers respond as usual.
- Shorter combined runs give steadier speed — long passive chains can cause drives to drop out.
Compatibility
- Works with Windows, macOS, Linux and ChromeOS — no drivers or apps to install on any of them.
- Suits laptops, desktops, smart TVs, decoders and printers — anything with a standard USB-A port.
- Handles flash drives, external hard drives and card readers — useful for backups and file transfers.
- Joins keyboards, mice, webcams and barcode scanners — common fixes for awkward office and shop layouts.
- Pairs with USB-A male-to-male cables — turns that cable into a simple extension lead.
- Charging leads pass power through — phones and small gadgets charge at whatever the source port supplies.
Build
- Aluminium shell — a metal body resists knocks in a bag better than a thin plastic joiner.
- Grey finish — blends with most laptops, monitors and desk setups.
- Compact, pocket-sized body — small enough to keep in a laptop bag or toolkit at all times.
- Metal casing spreads heat — helpful when a busy hard drive runs for long periods.
- Smooth exterior wipes clean — dust and fingerprints come off with a dry cloth.
Inclusions
- One UGREEN US381 adapter — a single joiner ready to use straight out of the pack.
- UGREEN retail packaging — sealed, so you can confirm it is untouched before use.
- No cables included — the adapter works with the USB-A cables you already own.
- Mascom International 6-month warranty — covers manufacturing defects under normal use.
- Compatible USB 3.0 cables sold separately — available at the Mascom International store.
Package Contents
The UGREEN US381 USB 3.0 Female to Female Adapter comes as a single adapter in sealed UGREEN retail packaging. No cables are included, because the adapter exists to join cables you already have. If one of your leads is an older USB 2.0 cable and you want full 5Gbps speed, Mascom International sells USB 3.0 cables and extension leads in several lengths. Ask at the counter or on WhatsApp, and we will match the right cable to your device.
Warranty
Mascom International backs the UGREEN US381 USB 3.0 Female to Female Adapter with a 6-month warranty covering manufacturing defects under normal use, such as a loose socket or a failed internal contact. Claims are handled at our Nairobi CBD service desk in the Old Mutual Building on Kimathi Street. Bring the adapter and your receipt.
Where to Buy the UGREEN US381 USB 3.0 Female to Female Adapter in Kenya
The UGREEN US381 USB 3.0 Female to Female Adapter is in stock at Mascom International, Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. We are open Monday through Saturday, 9:00 AM to 7:00 PM. Bring your own cables and test the fit at the counter before you pay. It comes in grey; message us on WhatsApp to confirm stock before you travel.
Reach our team any of these ways:
- Phone/WhatsApp: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
We deliver to all 47 counties on pay-on-arrival terms. Orders within Nairobi and its environs arrive the same day, while Mombasa, Kisumu, Nakuru, Eldoret, Thika and other major towns receive delivery within 1 business day. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days.
Your adapter is backed by the 6-month warranty described above.
Mascom International gives straight answers on what a part can and cannot do, prices it honestly, and stays reachable after the sale if anything goes wrong.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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