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Adopting HF electromagnetic waves to measure without damaging the object you test
Simply turn it on
10pcs split rings
2 x Magnetic Wristband
-Repeatability: ±2%
Kids Noise-canceling Headphones, Yellow, Dr.meter Adopting HF electromagnetic waves toDr. meter Kids Protective Earmuffs with Noise Blocking Children Earmuffs for Sleeping, Studying, Shooting, Babies 27NRR Adjustable Head Band, EM100 Yellow Product Features: Dr. meter Kids Ear MuffsA safe design tailored for smaller ears, super safety and comfort Efficient Noise ReductionWith 27NRR noise reduction rating, ideal for blocking noise caused in large crowds, airports, construction sites and daily life Comfortable WearingAdjustable soft PU