Use either earbud at a time for calls and music. You can switch freely between twin mode and mono mode. 2. Unlike others, M30 is a thoughtful product. If you lose one earbud, just simply purchase the exact one instead of a new pair. 3. Besides play & pause, M30 also supports volume & tracks control for more convenience. Fantastic Immersive Sound with Powerful Bass: Adopted advanced polyurethane drivers to avoid bulky size, M30 provides authentic sound with deep bass even in a small size. Be sure to choose the suitable eartips(S/M/L) to get a better sealing so as to block out noise around and provide fantastic music enjoyment even in the highest volume.
Warranty Period: 12 Months Replacement Warranty
* Sales invoice.
* Product with complete packaging / box.
* A description of the defect must be provided in order to issue a warranty claim.
* Broken water damage wont be claimed.
* It will not be renewed after a replacement sent.