1. High signal-to-noise ratio;
2. One-key touch operation, easier to use;
3. 4-level volume adjustment, beep feedback;
4. The appearance of the Bluetooth headset is fashionable and not easy to fall off;
5. FCC, ROHS, CE, EMC certification;
Limited warranty 12 months for parts and 12 months for labor.
Support URL: http://www.firstsing.com
Support Phone Number: 86-0755-29889139
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