Signature Technics Clear Sound: Unique acoustic technology gives you great audio detail and rich sound for a rewarding listening experience. Intuitive Smart Features: Seamless device switching, crystal-clear call clarity, convenient single-earphone use, easy sound control, and long battery life. SUPERIOR SOUND: Technics earbuds with 8mm driver, acoustic control chamber and harmoniser to deliver stunningly true-to-life sound, while LDAC support provides exceptional audio quality. NOISE CANCELLING: Industry-leading noise cancelling with Dual Hybrid technology and analogue/digital processing eliminates unwanted sounds for truly immersive listening. OPTIMAL COMFORT & FIT: These compact earbuds have an all-day comfort fit design, with 7 silicone earpiece sizes for a customisable fit and superior insulation. EXCEPTIONAL CALL QUALITY: These in-ear headphones use 8 high-performance mics and JustMyVoice technology to suppress background noise and wind and improve voice clarity, ensuring crystal clear calls. The built-in virtual assistant for handsfree operation allows you to ask Alexa to make a call, set a reminder or check your schedule or the weather. Headphones deliver 6.5 hours of playback on a single charge and up to 19.5 hours of playback with charging case. 15 min of Quick Charge can deliver 70 min of playback time. Size and Weight : H 21xW 20XD 31mm Weight : 7g (one side only: L and R are the same)