Amazon.com: 3.5mm Wired Headphones with Microphone/in-Ear Earphones, Earbuds Noise Isolating with Built-in Microphone & Volume Control Compatible with iPhone iPad iPod MP3 MP4 Samsung Android Laptop (2Pack) : Electronics
In jab at iTunes, Amazon releases iOS-optimized MP3 store - CSMonitor.com
Amazon.com: AUSDOM Lightweight Over-Ear Wired HiFi Stereo Headphones with Built-in Mic Comfortable Leather Earphones Noise Isolating Adjustable Deep Bass for iPhone iPod iPad Macbook MP3 Smartphones Laptop- Green : Electronics
Amazon now selling MP3s directly to iPhone, iPod touch users - The Verge
Amazon.com: Headphones for Children Lightweight Stereo Folding Wired Headphones for Kids Adults Adjustable Headband Headset for Cellphones Smartphones iPhone Laptop Computer Mp3/4 Earphones (Pink) : Electronics
Amazon.com: TFD Supplies Wholesale Bulk Earbuds Headphones 200 Pack for iPhone, Android, MP3 Player - Black : Electronics
Amazon.com: Earbuds Wired with Microphone 5 Pack, in-Ear Headphones with Heavy Bass Stereo, Noise Isolating Wired Earbuds, Ear Buds Compatible with iPhone, iPod, iPad, MP3, Samsung, and Most 3.5mm Jack : Electronics
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Amazon.com: XINLIANG Earphones Wired Earbuds with Microphone & Volume Control in-Ear Headphones with Magnetic, Bass Driven 3.5 mm Earbuds for iOS and Android Smartphones, Laptops, MP3, Gaming, Walkman (Black) : Electronics
Amazon.com: Rokono BASS+ Mini Speaker for iPhone / iPad / iPod / MP3 Player / Laptop - Black : Electronics
Amazon.com: 2 Pack 3.5mm Wired Headphone Plug, in-Ear Earphones, Earbuds Noise Isolating with Built-in Microphone & Volume Control Compatible with iPhone 6s 6 Plus 5s 5 iPad iPod MP3 MP4 Samsung Android
Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers -
Hands-on: Amazon's MP3 store “specifically for iPhone and iPod touch” | Ars Technica
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Amazon.com: 2 Pack Apple Earbuds [Apple MFi Certified] Headphones Earphones with 3.5mm Wired in Ear Headphone Plug(Built-in Microphone & Volume Control) Compatible with iPhone,iPad,iPod,PC,MP3/4,Android - White : Electronics
Amazon.com: Mediabridge 3.5mm Male to 2-Male RCA Adapter (25 Feet) - Step Down Design for iPhone, iPod, Smartphone, Tablet and MP3 Cases : Electronics
Amazon.com: Earbuds Headphones with Microphone Pack of 5, Noise Isolating Wired Earbuds, Earphones with Powerful Heavy Bass Stereo, Compatible with Android, iPhone, iPad, Laptops, MP3 and Most 3.5mm Interface : Electronics
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Amazon.com: 2 Pack 3.5mm Wired AUX Earbuds Headphone Earphone with Microphone Built-in Volume Control Compatible with Apple iPhone 6/6S/5 iPod iPad MP3 Laptop Computer Android : Electronics
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Amazon.com: 2 Pack Earbuds Headphones with Microphone, Earbuds Wired Stereo Earphones in-Ear Headphones Bass Earbuds, Compatible iPhone and Android, Pod, Pad, MP3 Players, Fits Most 3.5mm Jack : Electronics