Yes, EarfiTune V2's IPX8 waterproofing handles both chlorinated and saltwater environments perfectly. Simply rinse with fresh water after saltwater use to maintain optimal performance and longevity.

Bone conduction transmits sound through cheekbones directly to your inner ear, leaving ear canals open for environmental awareness. This prevents ear fatigue and allows situational awareness during activities.

The ergonomic wraparound design with adjustable tension ensures EarfiTune V2 stays firmly in place during vigorous movements, jumping, and head turns without slipping or causing discomfort during extended wear.

Absolutely! The integrated 32GB MP3 player works independently underwater where Bluetooth signals don't transmit. Simply load music beforehand and enjoy wireless-free listening during swimming sessions.

EarfiTune V2 fully charges in approximately 2 hours using the included magnetic charging cable. Quick charging provides 2 hours of playback from just 15 minutes of charging time.

EarfiTune V2 delivers impressive audio quality with rich bass and clear treble. While different from in-ear sound, the premium bone conduction technology provides excellent listening experiences for most users.

Yes, the dual noise-cancellation microphones ensure crystal-clear call quality even during workouts. The system filters background noise effectively, making conversations easy and natural in various environments.

Simply press and hold the multifunction button for 3 seconds to toggle between Bluetooth and MP3 modes. The LED display clearly indicates which mode is active for easy confirmation.