Products Features: Excellent for extending your USB connection to your PC, printer, camera, keyboard etc. The durable and gold-plated connectors are ideal for optimal signal clarity and minimize interference for better performance. Downward compatible. LED indicator light turns on when power is connected. Gold-plated connectors enable stable data transfer. No driver needed, hot-swappable. Specifications Product Dimension: 57mm x 33mm x 15mm Upstream: 1 x USB2.0 A (Male) Downstream: 1 x USB2.0 A (Female) Package Contents: 1 x USB 2.0 Extension Cable 1 x User Manual Packaging: UNITEK Gift Box ◆商品開發票有保障,歡迎選購◆ ◆本店不開放外島地區寄送服務,如有不便敬請見諒 ●.選購本店商品皆由蝦皮商城代開發票,並不會隨貨附到哦!(發票問題可詢問蝦皮商城客服:02-6636-6559) ●.因網路賣場與多間門市同步販售,下訂前請先聊聊詢問貨況以免售完無法久候。 ●.若需大量購買,運送方式請選擇中華郵政或宅配,避免超商超材無法寄件。 ●.運送方式選擇郵寄,會優先以豐業物流(便利袋)寄送。 ●.出貨後物流運送時間約2-4個工作天,但實際要以物流為主,賣家並沒辦法決定物流運送速度!