Contact Us

For after-sales service, please ensure that your purchase was from, and attach the order number which we provided.

In order to provide you a better service and speed up responding time, Please select the corresponding email address to contact and do provide the relevant information before submitting an inquiry. It will be appreciated that if you can provide us your vehicle models, year of manufacture, and cellphone model for a quick compatibility matching, we will do our best to assist you.

We aim to respond to all inquires within 24 hours.

If you need pre-sales or after-sales service, please contact our support mailbox so that we can see and reply as soon as possible: 
Phone: (+1) 9176710888
WhatsApp (not answer the phone): +86 13530135348

For Press, Marketing, Colloaboration, please contact:

For orders purchased on Amazon,
please contact:

For Partnership, Distribution, Wholesales and other business enquiry, please click here to learn more>> Become our Reseller

US Company Address:
282 McCammon Ridge Rd, McKee, KY 40447, USA

HK Branch Address:
Rooms 131819, 13/F, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong Kong.

China Company Address:
Shenzhen Luzhiyin Technology Co., Ltd.
Shenzhen Ottocast Supply Chain Co., Ltd.
Floor 2nd, Building 13th, Software Town of Shenzhen Universiade, Yuanshan Street, Longgang District, Shenzhen, 518115, China

  • Office Hour: 8:00-12:00; 14:00-5:00. (GTM+8)
  • Monday - Friday