Supports Bluetooth 5.3 reception and transmission, Bluetooth Receiver & Transmitter: Equipped with 2 modes of wireless receiver and transmitter. It can be used for a of applications such as mobile phone music to home speakers, car speakers, or audio devices such as CD players, MP3s, computers to headphones and speakers. Agile to use, low distortion, low power consumption, low latency, high fidelity, stereo operation is easy and convenient. [Enjoy Wireless Streaming Music BT5.3]DSP technology and advanced audio distribution profile (A2DP) function. Pair with your phone and start listening to your favorite music! Enjoy wireless stereo music without worrying about missing calls while driving [Intelligent Noise Reducer Technology]Bluetooth audio receiver adopts the latest CVC8.0 noise cancellation and digital signal processor (DSP) technology. It can provide clear listening and true voice transmission, eliminating and noise cancellation (wind, traffic, crowd, etc.) [UP TO 9 HOURS BATTERY LIFE]Built-in rechargeable lithium battery can last up to 6-12 hours on a single charge. When the battery is low. This Bluetooth music adapter can be used while charging. It is very convenient to carry in the car or . [Hands-Free Calling and Navigation]The car bluetooth adapter has a built-in microphone, multi-function button, answer/hang up/reject or redial cold. Connect the 3.5mm Aux dongle of the Bluetooth connector to the auxiliary port of your car to connect your phone to your car audio. So you can not only talk but also listen to dynamic music & support broadcast audio from existing navigation apps Colour:Gray-black Material:plastic Package Contents: 1 x Bluetooth Adapter 1 x USB Charger 1 x Audio Cable 1 x Metal Plug 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.