Mtoken k5-b, also called mtoken bluetooth, is a smart card based wireless device which is independent from pc connections. K5-b is designed especially for wireless terminal such as mobile¡¢pc¡¢embedded platform to ensure secure network authentication and communication encryption. It supports both usb and wireless communication type. Meanwhile, mtoken k5-b fits cross platform standard interfaces of international standard, so it can support windows, linux, android, ios and mobile terminal pki application such as email encryption¡¢digital signature¡¢security certificate¡¢vpn¡¢ssl .Etc. As k5-b supports bluetooth interface, so it needs no wires and supports short distance wireless communication. Compared with the traditional usb device, k5-b supports usb and bluetooth communication, suitable for pc application and mobile wireless application, platform unlimited .Etc. If you are searching for this kind product, please take k5-b as the needed solution, it may match your requirement. 56mm*17mm*8mm