Features: and high quality Made of high quality material, durableand practical to use Multimedia car Bluetooth (Bluetooth) connector BTA, BTA Bluetooth supports hands-free answering the phone (can answer / hang up the phone through the original car audio host and steering wheel buttons), supports A2DP Bluetooth music playback (through the original car audio host, steering wheel control selection Song / fast forward / rewind / pause, and support multiple Bluetooth devices) Plug and play: Use the original car audio host"'"s disc box interface to install in place, simple and fast, and integrate perfectly with the original car. Support HFP Bluetooth hands-free calling: You can control the operation of answering / hanging up the phone through the original car audio host and the steering wheel buttons. Support A2DP Bluetooth music player: Bluetooth device audio can be easily played through the original car audio Bluetooth AVRCP control technology: You can use the car audio host (or steering wheel) to control song selection / fast forward / rewind / pause, easy and safe control. High-fidelity sound quality: The Bluetooth host is output to the car audio through a wired connection, eliminating any interference and soundquality loss, and the sound quality is comparable to CD. You can just Insert this item to the back radiomatch your phone or pad to bluetooth module and choose Aux from your radio, then you can use your phone to play music through car speakers. you can also just use aux in function to paly music Specification: Material: ABS Plastic Length: 150cm(Approx.) Power Supply: 12V car DC Frequency Response: 20Hz to 20kHz, 2dB Power: 5W Distortion: 0.01% Signal to Noise Ratio: 95dB Working Temperature: -35C-85C Compatibility: Please refer to the picture Package Contents: 1*Bluetooth Module Radio Stereo Aux Cable AdaptorNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.