NOTE: Original Bluedio T2S Turbine Headphones sold by" Bluedio". 【GREAT SOUND】Bluedio engineers have spent two years in creating T2S Ultra-big speaker, diameter up to 2.24 inches, trying to bring you the best music experience: rich and strong bass, crisp and clear highs. 【BLUETOOTH / WIRED DOUBLE MODES】T2S Over-Ear Headset is not only a Bluetooth headset but also a wired headset. With the included cable, you can still enjoy favorite music when the battery runs low using 3.5mm audio cable.