... 2. Military technology shell,Alloy steel,antiwear 3. Exquisite design,easy cooperating. 4. Pneumatic pressure cone technology,neodymium iron ... . SIG certified bluetooth V2.1+EDR 7. Using for meeting,travelling,car kit,children teaching. Accessoriescharger 1pc,5PUSB cable 1 pc ... copy of shipping documentsSample details:Price: according to your design (refundable on large qty)Time: we have samples in ...