【超軽量13g Earaku オープンイヤーイヤホン】空気伝導 耳を塞がないイヤホン Bluetooth 周りの音が聞こえる Bluetooth 5.3 AAC ENC通話ノイズキャンセリング 耳掛け式 ワイヤレスイヤホン ヘッドホン 快適なフィット感 マイク内蔵 ながら聴き 自動ペアリング Type-C急速充電 15時間連続再生 ハンズフリー通話 マルチポイント接続（ブラック）

The Earaku Open-Ear Earphones are designed specifically for those who want to enjoy audio without disconnecting from their surroundings. The standout feature is its incredibly light weight of 13g, which minimizes pressure and fatigue during extended wear. Unlike bone conduction headphones, which can sometimes cause unpleasant vibrations or a tight fit, these air-conduction earphones provide a more natural feel and are designed to avoid interference with eyeglasses. In terms of functionality, the air-conduction technology allows for a 'transparent' listening experience. Real-world user feedback highlights the safety benefits, particularly during activities like walking, where hearing ambient sounds is crucial. Battery life is respectable, offering up to 15 hours of playback at 30% volume, making them suitable for a full day of commuting or housework. The inclusion of multipoint connection is a significant convenience, allowing seamless switching between two paired devices. However, there are trade-offs. The open-ear design inherently leads to sound leakage. The manufacturer explicitly warns that at volume levels above 80%, audio may be audible to others. This makes them less ideal for quiet office environments or crowded trains if you prefer high volumes. While they support AAC and SBC codecs for stable sound quality, users should expect a natural, airy soundstage rather than the deep, isolating bass found in traditional in-ear headphones.