Features: The design of bluetooth adapter, with unlimited bluetooth technology as the foundation. The line of USB interface can be inserted U disk play music. Made of advanced oxygen copper wire and original AMI head. Supports all Bluetooth enabled devices. Support play music, transmits audio from mobile phones, tablets. Description: Directly and easily into the car interface to play music, while supporting U disc playing music. Suppot for downward compatibility One for two to two bluetooth devices can be connected at the same time. Specification: Material: ABS Color: black Adapter cable length: 35cm Package included: 1 x bluetooth music adapter USB cable Note: Please allow 1-3mm differs due to manual measurement. Thank you