1.   1.What is Bluetooth.

Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating PANs with high levels of security. Created by telecoms vendor Ericsson in 1994.Bluetooth is managed by the Bluetooth Special Interest Group.To be marketed as a Bluetooth device, it must be qualified to standards defined by the SIG. A network of patents is required to implement the technology and are only licensed to those qualifying devices.

2.   2.What is MFI and WWI

MFI’s full name is Made for iPod, Made for iPhone, and Made for iPad,it means that an electronic accessory has been designed to connect specifically to iPod, iPhone, or iPad and has been certified by the developer to meet Apple performance standards.Follow is its logo

WWI’s full name is work with iphone,it is mainly for iphone dock and iphone accessories.

Following is its logo