Fangrui Product Details Easy To Operate: Just Put The Cassette Adapter Into The Car Compact Disc Player. Then The Cassette Adapter Starts To Play Music On Your Phone For You. Built-in Microphone: The Cassette Adapter With Built-in Microphone Can Support Calling Function. Led Indicator Light: The Cassette Adapter With Usb Charging Led Indicator Light Is Convenient For You To Charge It. Button Controlling Design: The Cassette Adapter With Controlling Button Can Be Easily Controlled Manually. Bluetooth 5.0: The Cassette Adapter With Bluetooth 5.0 Technology Can Play Music On Your Smart Phone By Bluetooth Connection Conveniently. Type: Cassette Adapter Colour:black Material:abs Package Contents: 1 X Cassette Adapter 1 X Usb Cable Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin