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allowing children to develop logical thinking habits in a simple and scientific way
Transmission sensitivity: -42DB back pole room high-end microphone
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Hands-free Neck-Fan Band Hands-Free Hanging USB Color:Green allowing children to develop logicalOverview Personalized multi color optional. Compatible with computers, laptops, portable chargers, and other devices with USB output. Perfect mini fan for the office, home, dormitory, study, library, games room, or outdoor. Ideal for hot weather or outdoor activities. The amount of air is comfortable and can be used in all seasons. Specification Power supply mode: USB Noise: 36dB or less Rated voltage: 5v Rated power: 5w Applicable area: 1 Air supply