• 【Hybrid Bone + Air Conduction Audio System】Advanced dual-driver structure integrates bone conduction vibration with directional air conduction, delivering clearer mids and enhanced bass. These open ear headphones provide situational awareness and improved comfort compared to traditional bone conduction headphones, ideal for running headphones and daily training.
• 【Waterproof Design for Swimming & Water Training】Engineered with a sealed internal structure rated equivalent to IP68/IPX8 waterproof standards, suitable for swimming headphones and underwater training. Supports standalone playback in water environments. Note: Bluetooth connectivity is not available underwater.
• 【Dual Mode: Bluetooth 6.0 & Built-in MP3 Playback】Freely switch between wireless streaming and internal playback modes. Built-in 32GB storage allows thousands of songs for phone-free listening, making it practical as swim headphones and running headphones. Stable Bluetooth 6.0 connection ensures smooth use on land.
• 【Lightweight Secure Fit for Multi-Scenario Use】Ergonomic open-ear design with titanium memory frame adapts to most head shapes. Stays secure with goggles, helmets, or glasses. For best comfort, adjusting the wearing position can help reduce pressure during extended use.
• 【Battery Performance & Magnetic Charging】Up to 8 hours of playtime depending on usage mode. Magnetic charging enables quick recharging. Note: Built-in playback (MP3 mode) consumes more power than Bluetooth mode. For swimming sessions, fully charge before use. Low battery may trigger automatic mode switching, which is normal design behavior.
• 【Important Note for Swimming】 Bluetooth does not work underwater. Triple-click the MFB button to switch to MP3 mode and play music stored in the internal memory. Please fully charge before swimming, as MP3 mode consumes more power. Supported formats: MP3, FLAC, WMA, WAV, APE.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty