Bias&Belief Light Sound Amplifier - Voice Enhancer Device - Noise Reduction - Bluetooth Appearance - Exchangeable Battery - 600 Hours Battery Life - For Adults/Elderly

Bias&Belief

▲Comfortable to wear: The body is light, the Bluetooth appearance avoids embarrassment, and one is suitable for left/right ears. ▲Intelligent noise reduction: using digital signal processing technology, intelligent noise reduction, improve speech clarity, and effectively remove various outdoor noises. ▲One-key operation: easy to use, one-key volume adjustment, four frequency band mode switching, simple operation, easy to learn and understand. ▲4 modes: the appropriate mode can be adjusted according to personal needs (wideband/low frequency/medium frequency/high frequency mode) ▲Battery type: digital chip, long-term battery life, avoiding frequent charging. One battery can listen for 600 hours.