ag COTSUBU MK2 True Wireless Earbuds

High-quality product supervised by final, a renowned traditional Japanese audio manufacturer Retains classic colors while adding trendy, popular new colors Each earbud weighs only 3.5 grams! Lightweight, snug fit with high sound isolation Adopts an 'ear concha fitting adjustment structure' comfortable for various ear shapes New 'touch control off' function, seamless switching between single/dual ear modes IPX4 water-resistant rating Small! Light! Great sound quality! The popular COTSUBU (Yudou) true wireless Bluetooth earphones have sold over 300,000 units globally. This year's second-generation MK2 not only adds summer colors but also includes new features and clearer, more transparent sound quality. High-quality product supervised by final, a traditional Japanese audio manufacturer In relying on EQ adjustments, it's easy to cause listening fatigue in the high-frequency range. To avoid this, excessive emphasis on low frequencies often results in poor overall sound balance. COTSUBU M