Thank you for viewing! @Instant purchase welcome, silent purchase at midnight OK @Bulk purchase welcome, free shipping @Feel free to comment @We will open the package to check the contents before shipping. @Inquiry ID: @Color: Silver Gray About this product "Designed specifically for sports × difficult to slip off" - Earaku (Earaku)'s uniquely developed open-ear headphones "SoundFold J135" feature a cutting-edge 3D fit design, with an ultra-flexible silicone neckband and two ear hook points. Based on human ergonomics, the three-point support provides maximum stability, ensuring a secure fit that won't slip even during running or weight training. "Overwhelming sound quality × immersive listening experience" - These wireless earphones are equipped with extra-large 27mm drivers, about twice the size of comparable sports earphones in the industry, expanding the soundstage by 4.3 times. Furthermore, with innovative 360 Reality Audio, LE Audio, AAC, and SBC decoding technology, the non-pressurized listening style, as if the speakers are floating in front of your ears, provides a pleasant running experience, as if you are floating while running. "Excellent sweat resistance and durability" - Suitable for various situations, including running, marathons, jogging, trail running, mountain climbing, and sports, as well as on trains, during commutes, and for Zoom/Web conferences. (※Please refrain from wearing them while swimming.) "23 hours of continuous playback, low-latency wireless" - Don't stop exercising, don't stop the music! These open-ear headsets have a built-in 250mAh large-capacity battery and can be fully charged in about 2.5 hours. With up to 23 hours of music playback, you can exercise with peace of mind, without worrying about the music stopping during your workout. "Can connect to two devices simultaneously" - These open-ear headphones support multi-point connectivity, allowing simultaneous connection/standby to two devices, such as a PC and a smartphone. You can answer calls on your smartphone during an online meeting on your PC, play music on your smartphone during your commute, and then use the headphones for an online meeting on your PC after arriving at work, all without having to switch Bluetooth connections. Supports multi-point connection, allowing connection to two devices simultaneously.