- Compact Bluetooth 5.3 car adapter with the smallest footprint on the market Its design is about 30% smaller than comparable FM transmitters, reducing bulk in the cabin and keeping your dashboard tidy. - PD USB-C and Apple retractable cables Built-in 30W USB-C and 12W Apple retractable cables eliminate extra cords. Cables extend up to 80 cm and retract smoothly for a clean, clutter-free interior. Enables charging for both Apple and Android devices. - 69W four-port charging powerhouse A total of 69W across four ports: PD 30W USB-C, 12W Apple retractable, 15W USB-C, and 12W USB-A. This setup can charge five devices simultaneously with high efficiency. - Upgraded Bluetooth 5.3 Uses an upgraded Bluetooth 5.3 chip to reduce transmission delay and improve stability versus older 5.1. Provides faster, more reliable connections with less sound quality loss. Pairing completes in about one second, and there is no need to repeat pairing after the first successful connection. - Safe and reliable charging Includes multiple protections: over-current, over-voltage, over-heat, and short-circuit safeguards to ensure safe charging while driving. - Crystal clear music and flexible media support Anti-static design with CVC noise and wind suppression delivers full duplex sound quality. Automatically reconnects to memorized paired devices when powered on. Supports music formats including WMA, MP3, WAV, APE, and FLAC, and works with Bluetooth devices or USB flash drives. - 2-3 practical use scenarios - Daily commuting with multiple devices: pair your phone for navigation prompts and music, use the retractable Apple cable for an iPhone, while a USB-C port charges a secondary device. - Long road trips with family or friends: share media across multiple passengers, keep devices charged across the four ports, and enjoy clear hands-free calls with low latency. - Car and ride-share use: reliable quick pairing and automatic reconnect for a seamless listening and calling experience, with tidy cabling thanks to the retractable cables.