UGREEN Open Ear Wireless Headphones Bluetooth 5.4, 12mm Driver Sports Earphones

Open Ear Comfort: The open ear wireless headphones design of air conduction bluetooth headphones helps to achieve true painless and harmless. There is no need to put the earphones into the ear canal, so the ears will not feel sore even listening to music all day long. The ergonomic ear-fit design automatically adjusts the clamping force according to the shape of the user's ear to provide the appropriate clamping force.
Surround Stereo Sound: Bluetooth headphones with 12mm speakers and composite diaphragms deliver powerful bass and clear mids. These headphones are designed for sound and music lovers. It can support dual-device connection mode and achieve seamless switching between two devices. Each earbud has a built-in microphone for phone calls. ENC noise reduction can make others hear your voice very clearly.
Bluetooth 5.4 Headphones: Advanced Bluetooth 5.4 technology of wireless earbuds offers a stable and low-latency 80ms wireless connection for high-quality sound (music or calls). Moreover, the Bluetooth headphones can automatically connect to your mobile phone's Bluetooth when you open the charging box, avoiding complicated operations and saving waiting time.
30 Hours Playtime: These noise cancelling headphones provide more than 30 hours of playtime on a single 5-hour charge, The battery capacity is 50mAh. Just one charge of the headphones for 15 minutes can listen to music for up to 120 minutes Using a fast charging USB-C cable.