Excellent Sound Quality, Surround Sound and Clear CallsOur Bluetooth earphones are equipped with 14.2mm dynamic drivers, with pure high-fidelity sound quality, powerful bass (the louder the volume, the better the bass) and 3D surround sound effects, which are perfect for enjoying music. They have 2 call microphones and 2 noise reduction microphones, and support ENC call noise reduction, giving you clear and loud hands-free calls.Easy to use, loud sound and no sound leakageVery easy to use, they will automatically power on and quickly reconnect to your phone when you take them out of the charging station. The BT connection is very stable, with a long Bluetooth range, fast transmission speed, and can synchronize audio with video when watching videos. They use air-conduction directional sound transmission technology, even if you use a large volume, the sound will hardly leak, and people around you can hardly hear your earphones.Extremely comfortable and stable to wear, very suitable for sports and runningThese wireless earbuds are ergonomically designed, the sound hole of the earphones is close to the ear, and the soft ear hooks wrap the ear, which is extremely comfortable and stable to wear without causing pain or hearing damage. They will never fall off, giving you confidence when you are working out. Waterproof and sweatproof, perfect for the gym, sports, running, exercise, cycling and driving.Pay attention to your surroundings while listening to musicThe air conduction open-ear wireless headphones (non-in-ear) do not block your ears, so you can listen to music and your surroundings at the same time. When you are outdoors, you can always pay attention to your surroundings and ensure your safety, it is a perfect choice for outdoor wireless headphones.Portable and all-day useEach wireless earbud has a built-in 70mah battery, which can last for 6 to 7 hours on a single charge. The portable charging station has a built-in 450mah battery, which can charge the earbuds 3 times, and a total of 24-28 hours of playback when fully charged. The charging box has a unique design and a compact size of 8*7.3*2.75cm, which is perfect for carrying around.