Protect your ears: These ear-free headphones use bone conduction, providing lossless HiFi sound quality and reducing hearing damage. With open-ear headphones, you can enjoy high-quality sound while keeping your ears open, which feels comfortable and allows you to hear sounds from your surroundings. Advanced Bluetooth 5.2 technology: The wireless headphones have adopted advanced Bluetooth 5.2 technology to ensure a faster and more stable connection without delay or interruption. Lightweight and comfortable to wear: Each earbud is small and lightweight. Attaches to the ear and stays securely in place - perfect as sports headphones. Does not push into the ear like regular in-ear headphones otherwise do. Superior sound quality: The earbuds deliver HiFi sound quality, so you can enjoy high-quality music reproduction and clear call sound anytime, anywhere. LED display: The LED display on the charging case shows the charging level of the case, so you always have an overview of the current charging status. Specifications: Size: 7.5x4.6x3.5 cm Material: Plastic / PC Battery life: At least 8 hours Bluetooth: 5.2 Charging time: about 1.5 hours Charging case battery capacity: 500 mAh Headphones battery capacity: 60 mAh Standby time: 120 hours Transmission distance: 10 m The package includes: 1 pair of headphones with charging case 1 x charging cable User manual_CA