Features Functions: Multi-use design that serves as a Bluetooth receiver, vehicle music receiver, AUX Bluetooth receiver, and audio adapter. Wide Compatibility: Supports connection with earphones, mobile phones, speakers, and car stereos. Easy to Use: Plug into the car's AUX port to enable Bluetooth functionality in your car audio system. Connect your mobile phone wirelessly to play music, make hands-free calls, and use navigation audio. Stable Transmission: Provides clear sound quality with minimal interference and low power consumption. Premium Material: Constructed from durable ABS plastic, offering high strength and impact resistance. Specification Item Type: Bluetooth Receiver Material: ABS Color: Black Functions: Bluetooth hands-free call capability Frequency: 2.4GHz Socket: 3.5mm stereo input socket Power Supply: Built-in battery charged via mini USB cable Package List 1 x Bluetooth Receiver 1 x 3.5mm Adapter 1 x USB Cable 1 x User Manual