Dell KM555 - Page 20

Specifications
20
Table 5. Wireless keyboard specifications.
Specifications Value
Model number KB555
Connection type Dual Wireless (Bluetooth 5.1 and 2.4 GHz with Dell Secure Link USB Receiver)
System requirement
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Windows XP (Dell Secure Link USB Receiver only)
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Windows Vista (Dell Secure Link USB Receiver only)
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Windows 7, 32/64 bit (Dell Secure Link USB Receiver only)
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Windows Server 2003 (Dell Secure Link USB Receiver only)
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Windows Server 2008; 2008 R2 (Dell Secure Link USB Receiver only)
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Windows Server 2012; 2012 R2, 2016 (Dell Secure Link USB Receiver only)
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Windows 8, 32/64 bit, Windows8.1 (Basic function only)
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Android
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Chrome
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iOS, MacOS, iPadOS
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Linux (Ubuntu v18.04 LTS, Redhat 8.0+)
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Free-DOS (Dell Secure Link USB Receiver only)
Operating voltage 2.0 V ~ 3.2 V
Battery type Two AAA alkaline batteries
Weight (with battery) 428 g
Weight (without battery) 406 g
Length 398.60 mm (15.69 in.)
Width 126.86 mm (4.99 in.)
Height 26.27 mm (1.03 in.)
Operating -0°C to 40°C (32°F to 104°F)
Storage -40°C to 65°C (-40°F to 149°F)
Storage humidity 95% maximum relative humidity; non-condensing
RF protocol
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Bluetooth 5.1
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2.4 GHz RF
Range
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Up to 10 m radio range.
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No performance degradation up to maximum radio range (10 m).