Wireless Car Bluetooth Fm Transmitter Charging Treble And Bass Sound Music PlayerProduct selling points: 1. Car Bluetooth FM Transmitter: The BD&M FM Car Bluetooth Transmitter provides multiple solutions for your hands-free driving and car stereo streaming. It has a large display screen, provides a wider visual interface, and can display more information, such as caller number, track name, FM frequency, battery voltage, Bluetooth connected devices, etc.2. Stronger Microphone, Better Hands-Free Calls: BD&M FM Car Bluetooth Transmitter adopts a stronger microphone, which greatly amplifies sound reception and enhances sound quality, bringing a higher level of experience.3. Treble and Bass Music Streaming: You can directly play music from your car radio via Bluetooth/micro TF card/auxiliary output, enjoy free switching between high and low modes, and the color spectrum is automatically synchronized with your music.[Product]: BT93 car mp3 bluetooth player car charger[Configuration]: Host + envelope + cowhide box + blister + English instructions (neutral English packaging box)[Packaging size]: 77.3*49*160mm[Gross weight of single set]: 104 grams [Including accessories and excluding packaging] 69 grams[Material]:ABS+fireproof material