Noise Cancelling Function and Mobile Phone Use bone conduction headset

Buy offer Details

Hi ,
I like to have further information about your bone conduction earphone such as brochure and price list.
I need you to quote 500, 1k price and sample as well.
By the way, are you surely manufacturing bone conduction earphone ?
Best regards,
Eric
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General Manager / Sales & Marketing
Haneul S&T Co., Ltd
#501, Hanwoong Bldg, 35, 140beong-gil, Gongdan-ro, Gunpo-si,
Gyenggi-do, Korea
.com****2-70-4916-4908
Cell : +82-10-4650-0635
****eric.seon
****suncity93
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