Stereo Portable Handsfree earphone for mp3/mp4 player
Surround in-ear earphone for mobile phone
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Stereo Portable Handsfree earphone for mp3/mp4 player

Specifications: Noise-free communication More voice clarity  Stereo sound with high-quality 6U speaker, suitable for logos printing is available The function chooses MP3 player regulate a volume Weight: 20g Total harmonic distortion: less than 1% Length: 1.2 to 1.5m (approximately) Operating temperature: -15 to +55°C Frequency response: from 16Hz to 21kHz AV connector: AV 3.5mm  Suitable for iPhone, Nokia, SonyEricsson, Samsung, RIM's BlackBerry and more