Dependable incar connectivity: dualmode design lets the FM transmitter connect to your car stereo reliably and switch seamlessly between music and calls. Supports both wireless (Bluetooth) and wired audio so you can use whichever option your phone or vehicle requires. Hands voice control and call management: answer and manage calls without taking your hands off the wheel. Builtin voice control support provides clear voice response and can read navigation prompts aloud, improving safety during busy driving. Dual fast charging ports: two speed charging ports let you charge two devices at once, removing the need for extra chargers and keeping passengers' phones and devices powered on long drives. Realtime battery display: an integrated digital screen shows battery or charging levels in real time so you can monitor device power and avoid unexpected shutdowns during navigation or calls. Compact, vehicleready design and broad compatibility: designed for incar use with FM radioequipped stereos and most modern smartphones. Compact form factor keeps your dashboard uncluttered while delivering stable performance. Practical use scenarios Daily commute: stream music, take calls hands, and keep your phone charged while following turnbyturn navigation without distraction. Ridesharing or taxi drivers: keep two devices charged for navigation and passenger use while managing incoming calls and audio via a stable FM link. Road trips: pair a passenger's phone or use a wired connection for audio, monitor battery levels on the screen, and charge phones simultaneously for uninterrupted entertainment and navigation. Core functions at a glance FM transmitter for car stereo systems Doublemode connectivity: wireless (Bluetooth) and wired audio Hands calling with voice control and voice prompt support Two fastcharging ports for simultaneous charging Digital display for realtime battery/charging status This FM transmitter is built to simplify incar audio and charging: reliable connectivity, safer hands operation, and dual charging ports to keep devices powered and navigation uninterrupted.