... 2: competitive price 3: Fashion,Environment,not hurt ears 4: Apply for mp3/mp4/iphone/mobilephone DT-P018 Earphone for Mobile Phone AccessoryModel DT ... ) Widely apply to iPod/iPhone, MP3/MP4, Mobile phone, PC, Gaming device, CD, etc.2) In-ear design, isolate the sound, cancel the ... ) Only ±1.5dB deviation of two speakers,protect hearing.5) A slider can control the branch cable,convenient to use.6 ...