Product information:
Material: ABS
Specifications: TWS to red and blue
Product Model: Z-19
Power supply: DC3.7V (lithium ion rechargeable battery)
Zui full sound pressure level: ≤ 117dB + 3dB
High frequency average OSPL90: 110dB ± 4dB
Full Sound gain: 29dB ± 4dB
Frequency response range: less than 300Hz ~ 3500Hz
Total harmonic distortion @ 500Hz: ≤ 7%
Total harmonic distortion @ 800Hz: ≤ 7%
Total harmonic distortion @ 1600Hz: ≤ 7%
Equivalent input noise level: ≤ 25dB + 3dB
Rated ICC, IDD consumption: ≤ 2mA