Purchase Qty. Reference FOB Price
10-499 Pieces US$65.00
500-999 Pieces US$55.00
1,000+ Pieces US$50.00
Product Description
Recording jammer, intelligent recording jammer with high sensitivity, electronic detector for recording jammer, silent ultrasonic suitable for home, office, travel F20 About this product Professional: The recording board uses silent ultrasound to silently interfere with the human body and ears in ...