Westone W10 v2 Earphones with Bluetooth Designed for the music enthusiast, the Westone W10 features a specially tuned, full range, single balanced-armature driver. The W10 delivers extraordinary detail and clarity that will unlock the potential in all your audio and video devices. Ideal for All personal audio and video devices. TRUE-FIT® TECHNOLOGY 60 years of experience designing products for the ear, has resulted in a universal-fit earpiece that is compact, low-profile, lightweight, and extremely comfortable. Our proprietary eartips enhance the performance of the W10 by ensuring a great fit and seal, right out of the box. BALANCED-ARMATURE DRIVERS Westone’s proprietary balanced-armature drivers provide enhanced sonic detail and frequency range that extends well beyond other in-ear solutions. WESTONE BLUETOOTH CABLE Full-resolution Bluetooth Cable uses aptX® technology to deliver extraordinary detail, clarity, and a dynamic soundstage that has to be heard to be appreciated. The Westone Bluetooth Cable features; 8 hours of battery life, a 10 meter/ 32 foot range, has a water and dust resistant IPX-4 rating, and features our exclusive MMCX Audio® connectors, which allows the Bluetooth Cable to be used with any custom-fit or universal-fit earpiece. 3-BUTTON MFI CONTROL SYSTEM + MICROPHONE 55” MFi Cable with MMCX Audio connector features a Microphone controller that is compatible with iPhones®, iPods®, and iPads® and features volume +/-, tracking +/-, phone answer, and Siri activation. TECHNICAL SPECS The Westone W10 features a full-range, single balanced-armature driver with 122 dB SPL @ 1mW sensitivity, 20Hz - 16kHz frequency response, and an impedance of 19 ohms @ 1kHz and 25dB passive noise attenuation.