[Advanced Bluetooth-compatible 5.3] Equipped with Bluetooth-compatible 5.3, these headphones offer a more stable and smooth connection with minimal latency [360° Free Bending] Built with memory titanium alloy, these headphones offer unmatched flexibility and durability, allowing for 360° bending without losing shape [Hi-Fi Stereo] Enjoy high-quality, Hi-Fi stereo sound with an open-ear, bone conduction design. This innovative setup delivers immersive sound while keeping your ears free, providing safer situational awareness during outdoor activities [LED Battery Display] Featuring an LED digital display for battery level, these headphones keep you informed about power status. The 300mAh battery supports up to 18 hours of continuous playtime and a 120-hour standby, ensuring long-lasting performance [TF Card Support] In addition to Bluetooth-compatible connectivity, the AKZ-G6 headphones also support TF card playback (card not included), allowing for flexible audio options without the need for a separate device Specifications: Product model: AKZ-G6 Bluetooth-compatible version: V5.3 Battery capacity: 300mAh Working time: 18h Standby time: 120h Transmission distance: 10 meters Impedance noise reduction: 32Ω/CVC6.0 Function: stereo music, TF card expansion, bone conduction