If it doesn't make a noise, you won't feel it in your ear
<br />Note This product is unilateral headphones
<br />Highlights 
<br />High performance,Good voice, Long standby 
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<br />Feature:
<br />Compact and light-weight design.
<br />Double-ear main and subsidiary earpiece design, innovative and excellence.
<br />Bluetooth 4.1 technology, better sound quality.
<br />Adopt True Wireless Technology, enjoy your wirelessly sports .