KEiiD WiFi & Bluetooth (CSR 5.0) Wireless Stereo Receiver for 2.0/2.1 Home Audio System Optical S/PDIF RCA Subwoofer Output, Multi Room Digital Music System with App Control Clock Alarm & Sleep Timer

this is a Bluetooth 5 transmitter stroke receiver sold by a retailer called fly bass on Amazon now this is the 4th transmitter receiver I've bought this one being the only one that's Bluetooth 5 and Bluetooth 5 transmits twice the amount of data as bluetooth 4.2 and it's a much better version of bluetooth now the thing is this thing will work with all the Bluetooth devices but you are limited to whatever Bluetooth version the device is operating at so this will not boost your headphones to 5 if there are only 4 points so that's something to bear in mind now as you can see it's really very small it's well made and it's got quite a lot of connect ability and I'll show you that in a second this is just a quick look at the packaging it's neatly packaged and that's just a quick tour of the specifications and then inside the box we've got the transmitter and receiver unit itself a USB to micr