Bluetooth FM transmitter for car, radio adapter for Bluetooth MP3 player, fast cigarette lighter charger with two USB ports

【Compact Design】This Bluetooth FM transmitter, hands-free car kit, and smartphone battery voltage monitor ensures optimal safety while driving. Its music playback modes enhance your driving experience. 【3 Music Playback Modes】Listen to music from Bluetooth devices via the FM signal, or stream music from MP3 players, older speakers, tablets, etc., to your car audio system via an AUX cable. 【Hands-Free Car Kit】The high-performance microphone with noise reduction technology (CVC) ensures clear calls. Answer, reject, redial, or end a call with a single press. Easily switch between incoming calls and music. Voice navigation is supported for safer driving. 【Dual USB Ports】This Bluetooth car audio transmitter allows you to charge two devices simultaneously. The 3.1A port (lightning bolt icon) is dedicated to fast charging. The 1A port (music icon) can also be used to read USB flash drives.