USB Wifi Dongle -Bluetooth Audio Receiver Adapter for the Car, Wireless Bluetooth 5.0 Adapter, Wireless Audio Adapter for Vehicle Audio System for The Highlights Generic Brand Bluetooth Audio Receiver Adapter for the Car, Wireless Bluetooth 5.0 Adapter, Without Audio Wire Car Audio System Adapter for Car Description: It can connect to your car's 3.5mm AUX port to enable your car audio system to stream smartphone audio wirelessly, make the non-Bluetooth devices go wireless Stable transmission, low delay, fast operation, compatible for home theaters, home stereos and car stereos, etc. Support TF card play, no need to connect phone by Bluetooth, you can enjoy music easily Back with clip design, tight and firm, easy to clip on clothes, not easy to drop and easy to carry It can be fully charged in 2 hours, built-in 200mAh rechargeable lithium-ion battery, can play music for 20 hours specification: Name: Bluetooth audio receiver Model: SR11 Main Feature: Bluetooth receiver/TF card player Bluetooth protocol: AVRCP\A2DP\HFP\HSP Output: 3.5mm aux jack Charging time: about 2 hours Signal to noise ratio: less than 90db Size: about 10.0cm x 7.0cm x 3.0cm / 3.9 x 2.8 x 1.2 inch Color Black Package Include: 1x Bluetooth Receiver Adapter 1x Charging Cable 1x User Manual Note: 1.Please allow 1-3cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. please understand, thank you