Product Overview of AG Complete Wireless Earphones COTSUBU MK2 (KOTSUBU MARK 2) Bluetooth Compatible Mint AG-TWS09R-MK2 MINT 3.5g on one side! The smallest, lightest and deep-fit design in the series achieves high sound insulation is small! light! The sound is good! The color of the popular wireless earphone “COTSUBU (kotsubu),” which has accumulated shipments of over 300,000 units, has been completely redesigned. The sound quality is now even more clear, and new features have also been added. The smallest and lightest in the series (3.5 g on one side!” The extremely small body makes it so “light” and comfortable to wear that you'll forget you're wearing it. It uses an adjustable fit mechanism that allows optimal fitting by rotating the main body according to the shape of the ear, so it fits comfortably in any ear, and the earphones do not pop out of the ear. Furthermore, since the deep fit design is firmly inserted deep into the ear hole, high sound insulation is achieved that firmly cuts ambient noise even without active noise canceling. It also firmly prevents sound from escaping to the surroundings. Also, an “auto pairing function” that starts pairing just by opening the charging case, a “single ear mode” that automatically switches by simply returning one side to the charging case, and a new function “touch operation invalidation mode” that prevents the earphones from malfunctioning due to unexpected hand contact have also been added. Also, the sound quality is a high sound quality specification supervised by the audio brand Final, and the transparency of the sound has been improved compared to the original COTSUBU. In addition, 3 sizes of Final's standard earpiece “TYPE E Completely Wireless Exclusive Specification,” which achieve “supreme wearing comfort,” are included. Since they are included starting with SS size earpieces, they fit comfortably even for those with small ears. Also, the earpieces use a translucent type where earwax is inconspicuous. You can maintain a sense of cleanliness even on trains, etc. where earphones are easily visible. In addition to sufficient basic performance as a wireless earphone, the COTSUBU MK2 uses many convenient functions and detailed considerations that solve minor problems that you may notice for the first time you use them. Recommended as a first wireless earphone or as a gift. NEW COLOR 's unique surface treatment “powder snow coating” not only makes dirt such as sebum and fingerprints inconspicuous, but it also prevents earphones from falling because it doesn't slip easily. Furthermore, the main body shape uses a rounded design, so you can feel the softness and warmth of a tool you carry with you every day. Adopts an “adjust-fit mechanism” for an optimal fit for everyone While it is compact, it uses an “adjustable fit mechanism” to achieve higher wearability. Everyone's ear shape is different, and it's very difficult to get anyone to hold their earphones optimally with a specific shape. The...