How do I turn off the sleep mode for the HV-KB558CM keyboard? kb558cmYingjie Zhang3月 26, 2021 分享 Unfortunately the sleep feature cannot be turned off. 標籤: Kb558cm 分享 上一篇下一篇 訂閲新聞信 And receive HAVIT's latest news and deals 你的郵件 訂閱100% free, Unsubscribe any time! 關注我們 推薦產品 Gamenote MS963WB Tri-Mode Gaming Mouse 促銷價$66.00 CAD HAVIT KB489L TKL 機械鍵盤帶 87 鍵 LED 彩虹背光 促銷價$139.00 CAD HAVIT H655BT PRO ANC Wireless Over Ear Noise Cancelling Headphones Black +3 Beige +2 Blue +1 促銷價$115.00 CAD 正常價格$129.00 CAD