About us : Shenzhen WILLONG TECH (HK) Co. Ltd. , is engaged in a professional headset development, design, production and marketing enterprises, the main products are high-fidelity stereo headphones, a microphone headset, MP3 headphones, we have developed advanced equipment and professional equipment, more excellent professional development project auditors and management of high-quality cadres, technicians and rich professional experience in the production team, high-quality products and excellent quality of services . Today, we take our prides in providing an extensive range of Headset with outstanding performance. All products from WILLONG are carefully designed and state-of- the-art produced, covering the demands in broad range of appliance such as MP3 , MP4 and the others