FM transmitter with charging function BC41

FM transmitter with charging function.
Funkctions: Music playing. Dual USB charging: supports Qualcomm 3.0 fast charge + 5V/1A. Hands-free function. Battery voltage detection.
Specification: Voltage: 12-24V. Supports USB flash disk playing music. Supports Micro SD card (to 32GB). Supports stereo music play. Supports formats: MP3 / WMA / WAM / APE / FLAC. Bluetooth version: V4.2. Automatic power off memory function. DSP technology. Echo and noise reduction (CVC) technology.
Warranty: 24 months.
Manifacturer: Extra Digital.