Bone Conduction Headphones,AILKIN 100Hrs Standby Time TF Card Bluetooth 5.3 Headphones Waterproof Swimming Headphones for Running,Cycling,and Workout 【LED Digital Display】 The smart LED Power Display in the case shows the remaining battery in real-time,which lets you know if the batter life running out of the power or needs to be charged or not. Don’t have to worry about any power issue. PLEASE NOTE: TF CARD is NOT included in the package! 【Open-Ear Design Comfort & Stable】 Stay alert with open ear bone conduction headphones that let you hear your surroundings, eliminating worries about missing out on crucial sounds. Soft, skin-friendly silicone cushions on the front of the ears guarantee a gentle touch and high fit, Open-ear designs allow for airflow, making them more comfortable to wear for extended periods. your ears stay cool and dry.Perfect for running, cycling, or any active lifestyle, these headphones let you enjoy your music while staying aware of your surroundings—whether it’s passing vehicles, conversations, or ambient sounds.Stay safe and connected without sacrificing comfort or awareness. 【100 Hours Standby Time with TF Card Slot】 Powered by an efficient low-consumption chip and a high-capacity battery,the swimming headphones built-in 300mAh high-capacity battery,these headphones provide up to 10 hours of continuous playback time,eliminating the need for frequent recharging. With a standby time of over 100 hours,delivers up to 30 hours of continuous listening life.You can achieve a full charge in just 2 hours.You can read the TF card,and PLAY the songs as you want.Ideal for long workdays, extended workouts,or daily commutes, they reduce the need for frequent charging and deliver reliable all-day performance. PLEASE NOTE: TF CARD is NOT included in the package! 【Siri Voice Assistant Function】 This bone conduction headphone bluetooth 5.3 technology supports faster transmission speed,more stable transmission and compatibility,open ear headphones widely compatible with Android, IOS, TV, video conferencing and other Bluetooth devices,the radio of this bone conducting earphones is very fine workmanship,even if very close to not worry about the sound leakage, Also you can long press the switch on for 1.5s,and then wireless headphones supports Siri voice assistant function. 【High-Definition Audio with Immersive Sound】 Equipped with advanced 16mm dynamic speakers and a precision-tuned acoustic chamber,these bone conduction headphones produce a full-range of sound with deep bass and crystal-clear highs. The high-performance neodymium magnet drivers ensure every musical detail stands out—whether you’re working out or relaxing outdoors. 【No Latency Bluetooth 5.3 Technology】 Featuring the latest Bluetooth 5.3 technology,AILKIN'S bone conduction headphones waterproof ensure faster pairing,stronger signal stability,and lower latency.With multi-point connectivity,easily switch between two devices—such as your smartphone and laptop—for uninterrupted music streaming or calls. Designed for an on-the-go lifestyle,these bone conduction headphones combine cutting-edge performance with everyday convenience.