【Comfort】 Made of stretchy, lightweight, and flexible silicone material. The lightweight design at 28g allows you to wear it without burdening your shoulders. It's comfortable to wear for long periods and won't easily fall off during intense movements like cycling, running, and training. It can withstand up and down movements, providing a stable fit. It's comfortable to wear without getting stuffy even when you sweat. Also, the wireless earphones' in-ear design has magnets on the housing, allowing you to attach the left and right earphones together, so you can carry them like a necklace when not in use. This is convenient for preventing loss! 【Bluetooth 5.0 Stable Connection & Long Battery Life】 With a 2-hour charge, the battery provides 12 hours of music playback and call duration, and can last for 720 hours in standby mode. You can enjoy music, calls, and audiobook podcasts all day long, and you don't have to worry about the battery level even during long workouts. You can spend the whole day comfortably. Also, the maximum communication distance is approximately 10m. 【Clear Sound Quality & IPX7 Waterproof】 The in-ear type earphones are perfect for those who dislike canal-type earphones that completely block the ear canal. You can run while experiencing the city and its hustle and bustle, as outside sounds enter your ears moderately. It achieves stereo sound and deep bass. It clearly reproduces the original sound of the music. In addition, it has dustproof and waterproof performance compliant with the IPX7 standard, so you can use it without worry even in sweaty situations or sudden rain, and you can use it with peace of mind. 【Easy Button Operation & Safety Ensured】 It supports hands-free calls, and the band part is equipped with a remote control, so you can control music playback/pause, skip forward/backward, and answer/hang up calls without taking out your smartphone. By pressing or touching the earphone buttons while running, you can control it without looking while facing forward, ensuring safety. It has the convenient advantage of being able to be used quickly when you want to use it. Wireless Earphones Neckband Type Bluetooth Sports Neck Hanging