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|Business Type||Manufacturer, Exporter, Supplier|
|Input Voltage||AC100 - 240V,50/ 60Hz|
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Preferred Buyer From
• Measurement of visual acuity using illiterate E-chart and Times Roman reading types.
• Ergonomic Design: Buttons and charging holes at the bottom which makes operation easier.
• Appearance: One-handhold body size, black color and plastic material.• Power: Being thinner and more exquisite by using Li battery.
• Charging: Replaceable plug, able to charge both on socket and computer.