Next-Generation Open-Ear Wireless Earphones | ACREO OpenBuds | Earphones with Built-in Noise Reduction Algorithm & Microphone | 18-Hour Playback with Case | IPX7 Waterproof Black 【Earphones That Don't Block Your Ears - More Healthy & Safe Innovative Design】 ACREO Openbuds are innovatively designed next-generation true open-ear wireless earphones, equipped with a large 16mm high-quality audio driver and a 3W independent headphone amplifier, eliminating the discomfort of low-frequency vibrations of bone conduction earphones, and providing a more perfect sound field experience than bone conduction earphones. Furthermore, the ear hook design provides a stable and comfortable fit, making it less tiring even after long hours of wear. 【Earphones with Microphone - Clear Call Experience】 Each earphone is equipped with a high-sensitivity silicon microphone, which works in conjunction with a professionally tuned ENC noise reduction algorithm to achieve high-precision call performance, making it ideal for various situations such as web conferences, telework, deliveries, driving, and customer support. 【Enjoy a Private Concert Hall at Your Ears】 ACREO Openbuds are developing a new generation of open-ear wireless headphones based on the design ideas of Hi-Fi professional headphones. Using a maximum 3W independent headphone amplifier to drive the speakers, after 15 months of research and development, repeatedly customizing three versions of the speakers, and performing 108 times of acoustic tuning, ultimately bringing an unprecedented powerful sound field experience. ✅ Brand new, unused item. Opened once for inspection and photography. *** *** *** *** *** *** *** *** *** ＊Instant purchase OK ◎ Also, various items are on sale ↓ ↓ #Cherry's Product List is Here ✨ ☜ ・Please contact us before evaluation if there are any defects.ᐟ.ᐟ ・Please check the actual photos for the condition of the product. 361959-48