... . OD2-30mm,any length 2. Brass chrome plated flexible hose 3. Bend no noise,no rough feel 4. ... Strong holding,no rebound Brass chrome plated flexible hose Specifications Brand Shuangcheng GooseneckMaterial Spring wires & galvanized iron wire ... headset, earphone, camera, USB products, medical and detection equipment, car navigation system, E-cigarette, consumer electronics, decoration, toy and ...