◽️ Brand new, unopened ◽️ Fast shipping ◽️ Free shipping Bluetooth Earphones 【Dedicated to Sports! First in the Industry in 2025!】 Earaku Wireless Earphones, Sports Earphones, SoundFold J135, Powerful Bass, Optimal for Sports, Running, Outdoor, Gym, Ultimate Fit, Bluetooth 5.4, 23 Hours Playback, Ear-hook Type, 34g Ultra-lightweight, Open Ear, Leak-free, Comfortable Fit/Multi-point Connection/Dedicated to Exercise Color: Black Ear Placement: Open Ear Headphone Type: Open Ear Noise Control: None Model Name: J135 "Designed Specifically for Sports × Doesn't Fall Off Easily" - Earaku's uniquely developed open-ear earphones "SoundFold J135" feature a cutting-edge 3D fit design, with an ultra-flexible silicone neckband and two ear-hook points, providing maximum stability support based on ergonomic three-point support, 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. "Excellent Sweat Resistance and Durability" - Did you know that the salt and oil in sweat can penetrate the inside of earphones and cause malfunctions? To achieve true sports earphones, Earaku has adopted high-density nano-coating technology and reinforced UV resin, and has conducted a continuous 62-hour salt spray test, exceeding industry standards. "23 Hours Continuous Playback, Low-Latency Wireless" - Don't stop exercising, don't stop the music! This open-ear headset has a built-in 250mAh large-capacity battery and can be fully charged in about 2.5 hours. "Can connect to two devices simultaneously" - These open-ear headphones support multi-point connection, allowing simultaneous connection/standby to two devices such as a PC and a smartphone.