MCDODO CA-8700 MDD 1.2m Aux Bluetooth Adapter Dongle Cable for Car 3.5mm Jack Aux Receiver Speaker Audio Music Transmitter ?Bluetooth version 5.0 is adopted,which has better compatibility,stability and response speed than the previous version ?Compared with FM Bluetooth transmitter,the signal transmission through aux port is more stable,faster,and Bluetooth connection is simpler ?Compared with the need for a 3.5mm adapter to connect to the Bluetooth adapter,the adapter is easy to lose. This one has a 1.2m spring line,which is easy to store and use ?Support hands-free communication and release hands to make driving safer ?Barrier free straight line 10 m transmission ?Gold plated 3.5mm plug,not afraid of oxidation,better sound quality ?Widely compatible with 3.5mm plug mobile phones,tablets,laptop etc. ?Specification: ?Interface type: USB-A to DC3.5 ?Material: zinc alloy + spring wire ?Bluetooth version: version 5.0 Package included: ?1 x Aux Bluetooth Adapter Dongle Cable ?1 x English and Chinese User Manual ?Other items not included