How do I turn off the sleep mode for the HV-KB558CM keyboard? kb558cmYingjie ZhangThg 3 26, 2021 Share Unfortunately the sleep feature cannot be turned off. Tags: Kb558cm Share Previous articleNext article Subscribe to Newsletters And get a site-wide 10% off coupon! Your email Subscribe100% free, Unsubscribe any time! Follow us Featured productsSave 11% Product's name $77.00 $87.00 Save 11% Product's name $77.00 $87.00
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