Shenzhen Shi Outuoyi Maoyiyouxiangongsi RK Bone Conduction Glasses User Manual
Discover the user manual for RK Bone Conduction Glasses, model numbers 2A56D-RK and 2A56DRK. Learn about the product overview, main parameters, and complied standards for this innovative device that uses bone conduction speakers. Contact the manufacturer for any questions or concerns.