Made of high quality material, durable and practical to use Bluetooth music adapter, plug and play, best sound quality Bluetooth connection, only when the ignition is on Allows you to stream your music to the car radio via the Bluetooth function of your phone/smartphone. No functional limitations of the car radio. Allows the connection of an external audio source. Bluetooth 5.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth The microphone facilitates conversation while driving and improves driving safety A2DP Lossless sound quality Bluetooth Compatible for E60 E61 E63 E64 E65 E66 E81 E82 E87 E70 E90 E91 E92 from 2004 - 2006 NAVI is not supported SA 609 (navigation system) SA 650 (for Business Radio with CD drive) SA 661 (for Business Radio with CD drive) SA 662 (for Business Radio) Color:Black Material:plastic Package Contents: 1 x Bluetooth Cable Adapter 1 x Microphone The above package content only, 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 +/- 1-3 cm.