usb am fm

Available ports include USB-A and USB-C. Reported output specs include 5V/1A, USB-A 5V/2.4A, and USB-C input/output around 5V/2.1A. Car FM transmitters commonly list dual USB-A ports rated about 12W (2.4A) and some include a USB-C PD port reported around 1.5A/20W.

Reported battery capacities include 14800 mWh (4000 mAh), 19240 mWh (5200 mAh), and 37000 mWh (10000 mAh). These capacities are listed across different models that support USB charging.

Frequency coverage reported includes FM 87–108 MHz, AM 520–1710 kHz, NOAA weather band (WB) frequencies about 162.400–162.550 MHz, and on some models shortwave ranges such as 5.7–17.9 MHz.

Car FM transmitters commonly provide dual USB-A ports rated around 12W (2.4A) each. Some models also include a USB-C Power Delivery port reported around 1.5A/20W for faster charging alongside the USB-A outputs.

Common connectivity options include Bluetooth streaming, 3.5 mm AUX/headphone jacks, USB ports (USB-A and USB-C), microSD/TF playback on some units, and FM transmission capability on car adapters.

Many units include NOAA/weather-band reception and weather alerts, an SOS alarm or siren, built-in flashlight and reading lights, and alert functions that automatically switch to a weather broadcast when warnings occur.

Reported runtimes vary by model. Radio listening at medium volume ranges from more than 33 hours up to about 42 hours. Reading-lamp runtimes are typically around 20 hours or more. Flashlight runtimes range from roughly 10–16 hours up to about 20 hours, depending on the model and settings.

Several units list USB charging times of about 5–6 hours. Observed USB output specs include 5V/1A and 5V/2.4A; USB-C input/output values reported include around 5V/2.1A or 5V/2A depending on the model.