This product is an embedded bluetooth protocol stackThe - 232.The interface of bluetooth adapter.Product main function is to replace the traditional serial cable connection, users don't need to the original line connection scheme to make too many changes, can quickly upgrade the serial cable connection of the original for the wireless bluetooth serial port connection. The product inside the bluetooth communication protocol, so there is no need to install driver, other can Windows Used in the system, also can be in DOS,Linux Such as the graphical in use. When users need to know the bluetooth communication technology professional knowledge, for the user, or a serial port communication, and there is no difference with the traditional serial cable connections, communication application developers need to write a serial port communication code. When using bluetooth2.1The standardCSRBluetooth chip.The enhancedBERError rate performance and automatic frequency hopping technology, which can the safety of efficient communication, and have stronger anti-interference ability, the stability and reliability of communication. Low support bluetoothSerial Port Profiles(SPPWith bluetooth function), and notebook computers, desktop computers and handheld bluetooth equipped with bluetooth adapterPDA, bluetoothGPSSuch as bluetoothSPPDevices to connect and communication . colour: as shown Material: metal Package Contents: 1 x Bluetooth Serial Port Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.