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Chaungfeng Labor Protection Firm 14yr.
Contacts Ye Xianfeng Chat
Mobile 86-15088268823
E-mail 834675956@qq.com
15088268823
Wearing Instructions
1 Adjust the headband to the appropriate "open" position above the head, and place the cup over both ears.
2 Relax the headband and reposition it, adjust the height of the cup until the headband can support it, and until both ears feel comfortable.
3. The soft padding of the ear caps should fit tightly against the head
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