No In-Ear Headphones : Innovative Costnzo non in ear design, ergonomic design, long-lasting, non itchy, 100% painless. The design concept of health and comfort, no need to enter the ears, no ear size selection. Compared to traditional earphones that directly enter the ear, being away from the ear canal has less radiation to the ear, providing comprehensive ear protection!
Bluetooth 5.3 and One Step Auto Connect : With advanced wireless bluetooth headphones 5.3 technology, you can get a 2X fast transfer speed (75% higher than the previous generation) and a more stable connection, almost no delay. Open the lid of the charging case, sport bluetooth earbuds can be automatically connected to the previous paired device, Put back the charging case, bluetooth earphones will automatically disconnect.
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24 hours of uninterrupted music playback time : One charge, each earplug can listen for up to 7 hours. Charging additional Bluetooth headphones in the charging box will provide you with a total of 24 hours of uninterrupted music playback time and 120 hours of talk time. You can use the included USB-C cable for charging. In addition, the built-in dual LED power display screen can clearly indicate the battery level of the phone case and wireless headphones.
One-Button Control&Stereo Sound Quality : One-Button touch, convenient and easy control to answer/reject calls, play/switch music,voice assistant. The Costnzo wireless headphone has built-in high-quality audio chips and 8mm dynamic speakers,and the sound is more delicate.The upgraded microphone allows you to have clear and loud sound conversation even in noisy environments.It is also equipped with the latest noise reduction technology,bringing you 3D deep bass stereo,making you immersive.
Smart device compatibility : Smart compatible with Android, ISO, PS4, XBOX, Windows system and other devices with Bluetooth function.
