Dear customers, due to the Labour Day, the factories will be closed from 1st to 7th May 2024.
1. Charging voltage: DC5V working voltage: 7.4V.
2. Speaker: 4ohm.
3. Frequency response: 80hz-20khz.
4. SNR:>=95dB distortion: <1%
5. Transmission distance: about 10m.