YD03 Wireless Bluetooth-compatible Headset TWS Large Screen Smart Digital Display In Ear Breathing Light$0.39
TWS True Wireless Charging Silo Sound Amplifier
$28.94
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Details
Product information:
Product model: G19
Material: Silicone
Power supply: DC3.7V (lithium-ion rechargeable battery)
Maximum saturation sound pressure level: ≤117dB+3dB
High frequency mean OSPL90:110dB±4dB
Full tone gain: 29dB±4dB
Frequency response range: not narrower than 300Hz to 3500Hz
Total harmonic distortion @500Hz: ≤7%
Total harmonic distortion @800Hz: ≤7%
Total harmonic distortion @1600Hz: ≤7%
Equivalent input noise level: ≤25dB+3dB
Rated power supply current consumption: ≤2mA
Color: Red Blue US, Red Blue EU, Skin tone US, Skin tone EU
Packing list:
Sound amplifier *1
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