Charge two devices simultaneously via USB 5V/2.4A and PD: 5V/3A, 9V/2A, 12V/1.5A for efficient charging Large LCD screen with clear display, supports lossless sound quality and TF card playback with lyric display Retractable spring cable design, AUX audio output, supports incoming call announcement, one-key answering and hanging up calls Real-time battery voltage monitoring compatible with various car models for enhanced protection Short press EQ button to adjust subwoofer mode Bluetooth Version: 5.0 with 10m transmission range Compatible with 12V-24V vehicles Large LCD screen ensures better visibility at night FM transmitter frequency range: 87.5–108.0 MHz (adjustable by pressing the CH button) Wireless hands-free calling with built-in microphone for safe and convenient call handling (short press to answer/end, long press to reject) Streams music from smartphone to car stereo system via FM transmission Supports TF card playback and plug-and-play AUX connection, allowing direct phone connection without Bluetooth to avoid signal interference Note: Slight variations may occur due to different production batches Color: As shown in photo Material: Plastic Package Contents: 1 x Car hands-free FM transmitter (Other accessories not included) Note: Lighting reflections and screen differences may cause slight color variation between image and actual item. Measurement error allowed within +/- 1-3 cm