Feature:1. Designed For Long Wear: Our bone conduction headphones are lightweight and flexible to ensure maximum comfort during extended wear, ensuring true painless and no harm. This ergonomic design open ear headphones ensures a secure and comfortable fit.2. Durability: With IP68 Waterproof, our bone conduction headphones bluetooth open ear resist sweat, water drops, and dust throughout your indoor or outdoor activities. It can withstand most of vigorous exercises of running, cycling, hiking, etc.3. Easy to Operate: Wearing open ear bluetooth headphones, the surrounding sounds can still be heard, avoiding potential dangers. Easily access voice assist and music playback with one touch buttons. So convientent to use. Noise reduction, long battery life, calling, and music support.4. Magnetic Charging: Convenient and waterproof magnetic charging with temperature control and over voltage prevention. Combined with a 300mah long battery life, this headphones allow you to enjoy continuous music for long time.5. Outstanding Sound Quality: Bone conduction technology uses vibrations to transmit sound through your cheekbone directly to your inner ear for a premium sound experience. High sound quality, giving you a wonderful music experience.Specification:Item Type: Bone Conduction Swimming HeadphonesMaterial: SiliconeWeight: Approx. 116.00g / 4.09ozBattery: Lithium Ion Battery 300mAh (Shipped with) Applicable for: Swimming Pool, Surfing, Diving, Water Skiing, Running, Hot Springs, SPASupported Music Formats: MP3, WMA, WAV, APE, FLACWaterproof Rating: IP68Memory: 16GBFrequency Range: 20Hz-20kHzBluetooth Protocol: 5.0Usage: HeadwearEar Side: Dual Sided StereoTransmission Distance: 10m / 32.8ft.Package List:1 x Bone Conduction Swimming Headphones2 x Adjustment Clips1 x Adjustment Band1 x Charging Cable1 x User Manual