Gafas de sol inteligentes compatibles con Bluetooth con audio llamadas/música asistente de voz Real-Ti

Auxiliary Chip: Allwinner V821. Main Chip: JL7018F (Stereo with ENC noise reduction). Charging Input: DC5±0.25V. Audio Frequency Range: 20HZ – 20K HZ. Distortion: <1%. Signal-to-Noise Ratio: -89dBV.

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