Upgraded version, with Bluetooth!(4M) 2X2M Expansion ChipMulti-system operating software can be flashed, just like a PC terminal can be installed with both for iOS and operating systems at the same time, improving the playability of for UVK5 K6 intercom.For UV-K5 UV-K6 SI4732 Modification Bluetooth Stereo Transmission Module!The item only the upgraded module for UV-K5 K6, not include the machine. Thank you!The appearance and color of the product from batch to batch. We do not accept the specified appearance and color, which not affect the useColour:Orange&YellowMaterial:PCBPackage Contents:1 x SI4732 Module KitOnly the above package content, other products are not included.Note: Light reflection 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.