HDMI 公对母延长线，电脑、投影仪 4K 高清视频加长连接线，HDMI 公转母高清延长线
HDMI Male To Female Extension Cable Computer Projector 4K HD Video Extension Cable HDMI Male To Female HD Cable
1. 规格性能Spec & Perf
Q：这款 HDMI 公对母短线支持 4K 画质吗？能否同步传输音频？
A：采用 HDMI2.0 方案，最高支持 4K 60Hz 超清画面，视频、多声道音频同步无损传输，向下兼容 1080P、720P 设备。
Q: Does this HDMI male-female short cable support 4K resolution? Can it transmit audio synchronously?
A: Adopt HDMI2.0 solution, max support 4K 60Hz ultra HD, lossless synchronous transmission of video and multi-channel audio, backward compatible with 1080P and 720P devices.
2. 核心使用作用CFU
Q：这种短延长线主要用来做什么？能保护设备原装 HDMI 接口吗？
A：一是短距离延长设备接口，解决线材不够长、设备贴墙遮挡接口问题；二是日常插拔只损耗这条短线，保护主机、显示器原装接口，减少磨损。
Q: What is the main purpose of this short extension cable? Can it protect the original HDMI port of devices?
A: First, extend ports in short distance to solve blocked ports or insufficient length; second, all frequent plugging only wears this cable instead of the original ports on host and monitor to reduce abrasion.
3. 设备兼容性DC
Q：笔记本、Switch、投影仪、电视盒子全部通用吗？有没有设备识别限制？
A：兼容所有带标准 HDMI 公口 / 母口设备，笔记本、游戏主机、投影仪、机顶盒、监控主机均可即插即用，无设备识别限制。
Q: Is it fully compatible with laptops, Switch, projectors and set-top boxes? Any device recognition limits?
A: Compatible with all devices with standard HDMI male/female ports, plug-and-play for laptops, game consoles, projectors and set-top boxes without recognition limits.
4. 短线抗干扰SAI
Q：短线会不会出现画面闪屏、色彩失真？双层屏蔽作用是什么？
A：线材内置铝箔 + 铜网双层屏蔽，隔绝充电器、路由器电磁干扰；短线传输损耗极低，画面清晰稳定，无雪花、无偏色、无闪烁。
Q: Will short cable cause screen flicker or color distortion? What is the function of double shielding?
A: Double aluminum foil & copper mesh shielding blocks electromagnetic interference from chargers and routers. Short cable brings extremely low transmission loss, clear stable picture without snow noise, color shift or flicker.
5. OEM 定制
Q：支持接头印客户 LOGO 吗？大批量外贸配套订单多久可以交货？
A：支持外壳丝印 LOGO、线材换色、定制特殊短线长度；现货零散订单 48 小时内发出，LOGO 定制大批量订单交期 3–7 个工作日。
Q: Can customer brand logos be printed on connectors? How long is delivery for large foreign trade matching orders?
A: Support silk-screen logo on shells, custom cable colors and special short lengths. Small stock orders ship within 48 hours, large logo customized orders take 3–7 working days for delivery.
