802.11 b /g/ n /ac. Bluetooth version & spec--------- BT5.0. BLACKVIEW was founded in March 2013 by serial entrepreneur Xu Ming(David Xu), who believes that high-quality technology doesn't need to cost a fortune.In terms of quality, all products of BLACKVIEW are subject to strict high standards and high-quality testing processes to ensure that every user has perfect experience. We incorporate user feedback into our product range, We sell low price to customers to keep our prices competitive. And our products launched in the United States, Russia, Ukraine, Italy, Spain, the United Kingdom, France, Germany, Japan, Czech Republic, Greece, Algeria, Singapore, Malaysia, Philippines, Laos and other place, we are ready to go global! We stand behind every product we sell. We will do our best to solve your problem to your satisfaction.
Our office hours are 9:00 a. M to 6:00 p. M (GMT +8) of Monday to Friday. We appreciate your understanding if we reply you later during the holiday.