Brand New STEREO Earbuds EarPhones & Hands-free Headset for AT&T Apple iPhone ALL Versions including 3g Plantronics MX100s for All Apple iPods.. Listen to tunes and never miss a call. Enjoy the convenience of one headset for music and calls with the MX100s from Plantronics. One touch of a button lets users switch effortlessly between their iPod, or other multimedia device, and mobile phone. The 3.5 mm jack provides compatibility with personal multimedia devices including most MP3 players and laptops. AcuSpeak technology ensures clear calls, and the Flex Grip earpiece provides stability and comfort.