Solu &reg; Hc-06 Bluetooth to Uart Converter COM Serial Communication Slave Mode/ Wireless Bluetooth Transceiver Module Slave 4pin Serial + Dupont Cable for Arduino/ 4pin Serial Arduino Wireless Bluetooth Receiver Module Hc-06 Rs232 TTL Uart Slave + Cable Usually, you will get it actually in 9~19 days, If you are in the USA and the item is NOT Fulfilled by Amazon. the item will be sent to you by USPS with shipping information from China. The estimated delivery time offered by Amazon is not the real time. Your patience is highly appreciated. Hope you will receive your item soon and enjoy using it. Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices Running in slave role: Pair with BT dongle and master module.Default serail port setting : 9600, 1 Pairing code : 1234 Coupled Mode: Two modules will establish communication automatically when powered. PC hosted mode: Pair the module with bluetooth dongle directly as virtual serial. About us (Solu ), Professional factory of circuit boards for Arduino, welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours