Ultrasonic Directional Speaker with Focused Audio Directional Sound WS-V2.1 Built-in TF card player, 40khz ultrasonic speaker

Ultrasonic Directional Speaker with Focused Audio Directional Sound WS-V2.1 Built-in TF card player, 40khz ultrasonic speaker
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sku: 1005005825729247
$500.00+1%
$506.60
Shipping from: China
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