1 Pair Shark Fin Nnti-falling and Noise-reducing Earplugs Anti-Noise Earplugs For Sleeping Dormitory Noise Cancelling And Noise Prevention Earplugs(Gray (2 Layers)) Tag-Tab S5E 10.5 T720 / T725 Signal transmission format: multi-frequency impulse

Signal transmission format: multi-frequency impulse

3 inch 2016

easily connect car audio to cars Bluetooth-enabled audio mobile phone and listen to music / navigation wirelessly

With DC 5V power jack

AI humanoid recognition

1 Pair Shark Fin Nnti-falling and Noise-reducing Earplugs Anti-Noise Earplugs For Sleeping Dormitory Noise Cancelling And Noise Prevention Earplugs(Gray (2 Layers)) Tag-Tab S5E 10.5 T720 / T725 Signal transmission format: multi-frequency impulse1. Small and soft, comfortable to wear 2. The shark fin is designed to fit the ears securely, even if you turn over or lie on your side 3. Oval umbrella shaped design, closely fitting the ear canal 4. Silicone material is not easy to stain dust, easy to clean 5. The weight is easy to carry and does not take up space Specification 1. Material: Nano silica gel 2. Usage: sleep, industrial noise proof earplugs 3. Earplug head shape: cylindrical 4. Whether