HIFI stereo sound and LED light: wireless headphones use upgraded Bluetooth 5.3 for more stable transmission, lower delay, and better audio output. 40 mm sound unit and biovibration with vibration conduction sensitivity membrane deliver delicate and full sound. Surround breathing atmosphere LED lights add visual appeal, with the option to turn off each LED light individually. Long battery time: builtin 200 mAh battery, full recharge in 2 hours, up to 12 hours of music playback and up to 120 hours of standby. Easily connected to nonBluetooth devices via the included 3.5 mm audio cable for extended wired listening. Intelligent noise reduction: uses intelligent noise reduction technology to minimize ambient noise and improve call clarity. Builtin microphone supports hands calls. The multifunction button provides easy onehand control for power on/off, volume/tune, play/pause, and track switching. Comfortable and foldable: memory foam ear pads with soft artificial leather for a comfortable fit with minimal fatigue during extended use. Lightweight adjustable headband for a secure fit. Foldable and portable design makes these headphones easy to carry for workouts, travel, home, or office use. Use scenarios Daily commute and travel: stable Bluetooth 5.3 connection, long battery life, and optional LED lighting for ambiance. Remote work and calls: intelligent noise reduction and builtin microphone for clearer calls and effortless hands communication. Home workouts and office use: lightweight, foldable design with plush cushion and adjustable fit for extended wear and portability. Key specifications and features to note Bluetooth: 5.3 Driver: 40 mm Connection: wireless with Bluetooth, plus 3.5 mm wired via included cable Battery: 200 mAh, 2 hour charge, 12 hours playback, 120 hours standby LED: surround breathing lights, individually adjustable/disableable Controls: multifunction button for power, volume/tune, play/pause, and track switching Comfort: memory foam ear pads, soft artificial leather, adjustable headband Design: foldable, portable, suitable for travel, work, and everyday listening Overall: provides stable wireless performance, strong audio quality, flexible listening options, and comfortable, portable design suitable for a range of daily activities without sacrificing clarity or control.