VISTATECH NV-08157 Wireless Bone Conduction Headphone Instruction Manual
VISTATECH NV-08157 Wireless Bone Conduction Headphone PRODUCT INFORMATION Product name: VISTATECH NV-08157 Wireless Bone Conduction Headphone PRODUCT OVERVIEW Function buttons Power on: Press and hold the middle button for 3 seconds Switching off: Press and hold the middle button for 5 seconds Volume plus: long … Read more