Eco-conscious: The open-ear design of the fitness earbuds can help you feel your surroundings at all times. Whether you're cycling, walking, running, working out, driving, or riding with headphones on, you can always be aware of your surroundings and be very safe.Comfortable and lightweight: Wireless Bluetooth earbuds are so lightweight that they weigh only 0.3 ounces, and you'll forget they're there after wearing them for a long time. Wireless open-ear earbuds are unrestricted, and the ABS material that is comfortable to the touch and non-allergic is more comfortable to wear. Air bone conduction headphones allow you to use them free of charge.Waterproof and sweatproof: Sweatproof and waterproof professional-grade open-ear headphones and fully enclosed sound chamber to prevent daily sweat and rain from seeping in. The ergonomic design is comfortable and stable to wear, so the training headset remains stable whether you are running, jumping or other backward movements.Bluetooth 5.3 and Clear Calls: The open-ear sports headphones are equipped with a Bluetooth 5.3 chip, which makes the connection more stable, the transmission speed is faster, and the signal is stronger. Microphones with Ambient Noise Cancellation technology work together to monitor the sounds around you and instantly generate an opposite signal to reduce background noise, so you can hear clear calls as if you were talking to someone face-to-face.Premium Sound Quality: These open-back headphones have been enhanced with patented speaker and acoustic cavity technology, and sound leakage can be effectively reduced to protect your privacy and provide you with high-quality audio enjoyment. Whale cavity stereo surround sound, immersive music enjoyment. The perfect sports companion.