Main performances 1.2.4G wireless connection technology, reliable wireless receiving range 2. Simple operation, plug and play, mute button 3. The symmetrical design is available for left and right hands, the cherry roll is smooth and smooth The collision of vision and touch, symmetrical design, available for left and right hands, smooth lines on the curved surface, hand-painted artistic design, beautiful appearance, B Mute button design, mute button, no matter how much and so quiet, the use will not affect parents and roommates Stable long distance wireless transmission, 2.4GHz wireless technology can provide reliable 360 ° connection The USB connector is plug-and-play, stable and efficient, and the wireless connection is portable and stable, avoiding cable tie problems