Brand new, unopened. A new experience, the "EarSpi" ear speaker | Doesn't block your ears, and you don't have to worry about sound leakage anymore. Equipped with NTT's PSZ technology to suppress sound leakage, this is a wired ear speaker model. Because it doesn't block your ears, you can hear calls from important family members and pets. You can also naturally converse while wearing the earphones during housework or childcare. Achieves high-level sound leakage suppression | Equipped with NTT's "PSZ technology" | Equipped with proprietary PSZ (Personalized Sound Zone) technology (patent pending). Minimizes sound leakage, a weakness of open-ear types. You can enjoy online meetings and your favorite music without hesitation, even in quiet places. Perfect for online meetings | No need to charge, and it also has a microphone | Since it's wired, you don't have to worry about the battery suddenly dying. Connect it to your computer or smartphone and use it anytime. Of course, it also has a microphone. Because it doesn't block your ears, your voice won't sound muffled, and it's less likely to become too loud. Earphones, but like a speaker | Premium sound that feels spacious | A 12mm diameter driver optimized for open-ear types. It uses a carbon fiber diaphragm that delivers rich tones, achieving clear mid-high frequencies, defined bass, and premium sound that feels spacious. A wearing experience you'll forget you're wearing | Only about 9g for both ears (excluding the cord) | Lightweight at about 9g for both ears (excluding the cord), and the ear-hook style provides a stable and comfortable fit. Because it's a speaker type that doesn't press against your ears, there's no pressure on your ears, and it's less likely to get stuffy.