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JH-LINK Manuals & User Guides

JH-LINK provides a wide range of reliable digital accessories, including USB card readers, desktop extenders, adapters, and home networking solutions.

Tip: include the full model number printed on your JH-LINK label for the best match.

About JH-LINK manuals on Manuals.plus

JH-LINK is a specialized manufacturer of digital and computer accessories designed to simplify connectivity and enhance the user experience. Their product lineup includes USB Type-C dual-interface card readers, multifunctional computer desktop extenders, Cat5e network patch panels, and specialized network adapters. With a focus on durability, utilizing high-quality alloy shells and standard compliance, JH-LINK devices offer reliable plug-and-play convenience.

Whether you need reliable wired network transmission, expanded USB connectivity, or smart Bluetooth earphones with real-time translation features, JH-LINK solutions cater to modern thin-and-light devices as well as conventional desktop PC setups. The brand prioritizes ease of use and solid construction, ensuring stable cross-device data transmission and networking.

JH-LINK manuals

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JH-LINK JH-D251 Ear-hook Bluetooth Earphones User Manual

15ko ekainaren 2026a
JH-LINK JH-D251 Ear-hook Bluetooth Earphones Product Parameters Item Parameter Specifications Product Style Ear-hook Bluetooth Earphones Bluetooth Version Bluetooth 5.3 Bluetooth Transmission Distance 10 Meters (Open & Barrier-free Environment) Charging Case…

JH-LINK support FAQ

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  • Do I need to install drivers for the JH-LINK USB Type-C card reader?

    No, the JH-LINK card reader features a plug-and-play design. Most modern operating systems, including Windows, macOS, and Android, will automatically recognize the device without additional drivers.

  • How do I connect the JH-LINK IN960 desktop extender to my motherboard?

    Disconnect power completely, route the extender cables into your PC chassis, and plug the connectors into your motherboard's front panel headers (PWR_SW, RESET, HD_AUDIO, and USB pins) according to the markings outlined in the manual.

  • What should I do if my JH-LINK Ethernet adapter is not recognized?

    First, ensure that your connected device supports OTG functionality and that the Type-C interface is securely inserted. Check that the network cable is properly seated into the RJ45 port and verify internet connectivity via the router.

  • How do I use the translation function on JH-LINK Bluetooth earphones?

    You need to download the companion translation application, pair your earphones to your smartphone via Bluetooth, select the target languages in the app, and activate real-time translation mode. Both users must wear the earphones for synchronous translation.