Dell SB521A - Product Specifications; General Product Information; Electrical and Power Specs; Physical Dimensions and Weight

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Specications
General
Model number
Connection type
SB521A
USB
Supported operating systems
Electrical
Operating voltage 5 V
Audio input USB Digital Audio Input
Output power
Physical
24.20±0.5 mm (0.95±0.02 in.)
Height (including magnetic tabs)
298.21±0.5 mm (11.74±0.02 in.)
Length
Width
Weight
17.50±0.5 mm (0.69±0.02 in.)
0.114±0.005 kg (0.25±0.01 lb)
Environmental
Operating temperature
Storage temperature
0°C to 40°C (0°F to 104°F)
-40°C to 65°C (-40°F to 149°F)
Operating humidity
90% maximum relative humidity,
non-condensing
Storage humidity
90% maximum relative humidity,
non-condensing
Windows 7
Windows 8
Windows 10
Chrome
Mac
Linux
ThinOS
USB 2.0: ≥ 1 W x 2 at THD ≤ 1%
USB 3.0: ≥ 1.8 W x 2 at THD ≤ 1%
where THD refers to Total Harmonic Distortion