Details
1. Saturated sound pressure level: ≤130dB+3dB
2. Saturated sound pressure level: 120dB±4dB
3. Zui large gain: 51dB±4dB
4. Average gain: 37dB±4dB
5. Equivalent input noise: ≤29dB+3dB
6. Frequency coverage: 400Hz~5500Hz
7. Total harmonic distortion: ≤5%
8. Net weight: 4g / 0.009lb
9. Gross weight: 178g/box
10. Color: skin color, metallic blue, black.
13. Working current: ≤5mA
14. Battery type: rechargeable polymer lithium ion battery, 3.7V
※ We ship to over 200 countries worldwide through fast and reliable delivery partners. You can choose your preferred shipping method on the Order Information page during the checkout process.
Total Delivery Time = Processing Time + Shipping Time
Processing Time:Before we ship your order, we have to prepare your products, perform strict quality-control tests and package items carefully.
Standard Shipping: 7-15 business days
Flat Rate Shipping: 10-30 business days
