Support for low power consumption up to BT 5.0. Plug & play,for wireless transmission of music,navigation,announcements,,etc. Integrated amplifier for optimum audio usage,integrated antenna for stable connection to the entire vehicle. Top sound quality,play automatically starts when you select from the radio and stops when you switch to the radio. Availably used in parallel with BT free voice device but it was unable to make a call through adapter (please use adapter with microphone). Applicable Models:for Seat / for / for / 12pin for Seat ( Radio CD-1/2/3, PN-1/3, -4, SE359/360 ) for ( Beat, Cruise, Dance, Melody, , Stream, Swing, ) for ( Chorus 2+/3, Concert 2+/3, Symphony 2+/3, Navigation Plus 3, -E*, BNS 5.0 ) ( 6/7, Premium 6/7, R100/110, RCD-200/300/500, RCD-210/310/500, -300/310/510, MFD2 CD/DVD ) Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Color: As Shown Material: plastic Package Contents: 1 x adapter 2 x tools 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.