EUQQ Q28 wireless earphones earphones Bluetooth don't cover [2024 Sound quality enhanced version Bluetooth5.4 Open ear type]

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. [2024 upgraded version & adopts the industry's latest Bluetooth 5.4 chip & design philosophy] 2024 improved version YYK-Q28 open-ear wireless earphones have upgraded appearance, and the charging case has a conventional transparent lid.It has been changed to a metal lid! The texture is more comfortable, cool, and fits snugly against your skin.This Bluetooth earphone uses the industry's latest class Bluetooth 5.4 chip, and compared to earphones currently on the market that use Bluetooth 5.1 or Bluetooth 5.3, it uses less electricity.It can protect stability, reduce sound delay , and increase communication speed by 3 times, communication range by 6 times, and communication capacity by 10 times compared to conventional methods.The original purpose of open-ear design is to maintain communication with the outside world.Advantages of open ear headphones: ① You can hear the surrounding sounds ② No safety concerns ③ Ear hooks make them difficult to fall off ④ Less pain in your ears.Disadvantages of traditional earphones: ① Your ears hurt if you wear them for a long time ② You worry about covering your ears when you go out ③ Your ears get stuffy when using canal earphones ④ You don't like the vibration and pressure of bone conduction earphones [SurroundWave 8D Audio Processing Technology & 16.2mm High Sound Quality Tri-Bar & Built-in Dual Microphone] YYK-Q28 open-ear earphones are a small, high-performance integrated solution specifically designed for audio applications.It leverages multiple sound source points to dynamically monitor and calculate to generate synthesized sound sources.By dynamically adjusting the phase relationship, external sounds are suppressed and high quality sound is achieved.SurroundWave sound processing technology processes the direction, distance, and depth of audio signals to experience realistic music effects.This wireless earphone is equipped with a large diameter 16.2mm driver, which has a good balance from bass to treble, and provides excellent HIFI sound quality performance without blocking your ears.It provides clear and three-dimensional sound, greatly improving the enjoyment and immersion of listening to music.Built-in dual beam-forming