1. High signal-to-noise ratio;
2. One-key touch operation, easier to use;
3. 5-level volume adjustment, beep feedback;
4. The appearance of the Bluetooth headset is fashionable and not easy to fall off;
5. The mini portable charging box can fully charge the charging box in 3-4 hours, providing a total of 90-150 hours of use time for hearing aids;
6. FCC, ROHS, CE, EMC certification;
