Hands-free calling that works reliably - Provides a stable Bluetooth connection with echo cancellation to reduce background noise - Answer calls with a single button press for safer in-car conversations Dual USB ports for flexible charging and media playback - Supports simultaneous high-speed charging for driver and passenger - The top port can power a USB drive to play saved files through the car’s sound system Fast, intelligent charging with broad device compatibility - Charging speed is four times faster than standard chargers - Compatible devices can reach about 80% charge in 35 minutes - The Bluetooth FM transmitter can charge two devices at the same time Multiple audio playback modes with built-in protection - Connects to the car radio via FM channels and plays music from a Bluetooth device or USB - Built-in protection against overcurrent, overheat, short circuit, overvoltage, and high temperature for stable output Use scenarios - Daily commute: make and receive calls hands-free while streaming music or podcasts through the car stereo; keep both phones charged during the drive - Long road trips: use a USB drive to play saved media through the car speakers; ensure devices stay charged for extended usage - Rideshare or carpool: driver and passenger can charge devices simultaneously; easy access to music and calls without taking hands off the wheel