Westone w10 v2 earphones with bluetooth designed for the music enthusiast the westone w10 features a specially tuned full range single balanced armature driver'. '.strtoupper('t')he w10 delivers extraordinary detail and clarity that will unlock the potential in all your audio and video devices'. '.strtoupper('i')deal for all personal audio and video devices'. '.strtoupper('t')rue fitreg 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'. '.strtoupper('o')ur proprietary eartips enhance the performance of the w10 by ensuring a great fit and seal right out of the box'. '.strtoupper('b')alanced armature drivers westones proprietary balanced armature drivers provide enhanced sonic detail and frequency range that extends well beyond other in ear solutions'. '.strtoupper('w')estone bluetooth cable full resolution bluetooth cable uses aptxreg technology to deliver extraordinary detail clarity and a dynamic soundstage that has to be heard to be appreciated'. '.strtoupper('t')he 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 audioreg connectors which allows the bluetooth cable to be used with any custom fit or universal fit earpiece'. '.strtoupper('3') button mfi control system microphone 55rdquo mfi cable with mmcx audio connector features a microphone controller that is compatible with iphonesreg ipodsreg and ipadsreg and features volume tracking phone answer and siri activation'. '.strtoupper('t')echnical 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.