Features: --Bluetooth wireless communication, provie freedom of movement --Simple operation interface, integrate abundant information --Support data transmission with external devices such as Auto Refractometer and Vision Chart etc.
Specification:
Optisun, Taizhou City Jiangyan Import&Export Trade Co.,Ltd 网站备案/许可证号：苏ICP备19005811号
Rm 102,23th Bldg. No.99,Changyingcun Road., Nanjing, 210028 China
