Car USB charger, bluetooth modulator

FM transmitter with full-frequency wireless transmission
Streams audio from Bluetooth, TF card, or U disk
Supports Bluetooth audio playback and hands-free calling
Includes a USB car charger with 2.1A output
Bluetooth version 4.1 for stable connectivity
Allows charging while playing music
Built-in noise cancellation for clearer calls
Powered via cigarette lighter plug