Innovative OpenEar Design Openear bone conduction technology delivers sound while keeping ears , so you can stay aware of your surroundings. Fully enclosed monobody design prevents vibrations and sound leaks even at volume, providing listening privacy in quiet environments. Fast and Stable Bluetooth Connectivity Latest dualcore Bluetooth 5.4 chip enables faster pairing and more reliable connections. Builtin 32 GB memory card supports MP3 audio format, allowing offline storage of up to 8,000 songs for convenient listening without loading from a phone. Crystal Clear Audio Quality Two integrated digital microphones with noise reduction deliver clear vocal details for conversations and calls. Designed to provide clear audio across typical listening scenarios, even in noisier environments. Professional IP68 Waterproof Rating IP68 protection with a tripleseal design offers resistance to water and dust. These headphones are designed to withstand immersion at depths up to 30 meters. Use scenarios Outdoor workouts and commuting: enjoy music while staying aware of your surroundings, with a secure, private listening experience. Waterbased activities and wet conditions: suitable for swimming, snorkeling, or showers where water exposure is possible, thanks to the IP68 rating. Quiet environments and offline listening: ideal for libraries, offices, or travel where private listening is preferred and you want to rely on offline MP3 playback.