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1.Silver single head chest piece , Ergonomic design for the back.so as to get comfortable use.
can catch both low frequency and high frequency sound by pressing the back in different pressure.
2.considerate anti-chill ring design
3.connecting spring is embedded ,ear tip is specially designed for suiting the ear structure.
4.zinc alloy chest piece with MATTE SATIN finish.excellect sound conduction. little acoustic attenuation .
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 | 1.Silver single head chest piece , Ergonomic design for the back.so as to get comfortable use. can catch both low frequency and high frequency sound by pressing the back in different pressure. 2.considerate anti-chill ring design 3.connecting spring is embedded ,ear tip is specially designed for suiting the ear structure. 4.zinc alloy chest piece with MATTE SATIN finish.excellect sound conduction. little acoustic attenuation . | |
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| 1.Silver single head chest piece , Ergonomic design for the back.so as to get comfortable use. can catch both low frequency and high frequency sound by pressing the back in different pressure. 2.considerate anti-chill ring design 3.connecting spring is embedded ,ear tip is specially designed for suiting the ear structure. 4.zinc alloy chest piece with MATTE SATIN finish.excellect sound conduction. little acoustic attenuation . | |
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