With our device, you can bring your classic car into the next generation without changing its style or damaging its originality. Answer calls safely with one click. Listen to music from your phone, MP3 player, tablet, laptop, and connected devices in the sound of your car. Charge your devices via the secure USB port. Features - Color: Black. - Material: ABS. - Size: 11.20 x 3.40 x 9.30 cm / 4.40 x 1.34 x 3.65 inches. - Frequency response: 20Hz ~ 15Khz. - FM transmitting frequency: 87.5~108.0Mhz. - Transmission distance: 10~15m. - Working voltage: 10V-24V. - USB output: 5V 3.1A/5V 1A. - With 2 USB ports, you can charge two devices simultaneously. - Built-in overcurrent protection, overvoltage protection, intelligent temperature control, and short circuit protection effectively ensure safe charging. - Wireless provides a stable connection, while noise cancellation and echo cancellation technology offer an amazing hands-free experience. - Besides, you can also get clear voice navigation from your phone. s app, which means driving becomes safer. - Stay up to date on the condition of your car battery at all times to avoid problems while driving. Packing list: 1 x Music player