Important Notes: Currently in stock. Ships within 24 hours. 1 piece: ¥630 2 pieces: ¥1080 Thank you. Specifications: Material: ABS Bluetooth Version: 5.0 Bluetooth Band: 2.4 GHz - 2.48 GHz Bluetooth Transmission Distance: 5m FM Frequency: 87.5-108 MHz FM Transmission Distance: 2 meters Input Voltage: 12-24V Output: 5V/3.1A Description: ⭐ High-Performance Bluetooth FM Transmitter: Streams music directly from your phone to your car's sound system with a robust Bluetooth and FM connection. ⭐ Easy Pairing: Easily pair your smartphone in seconds to stream music directly from your phone to your car's sound system. When powered on, this device will automatically connect to its memorized paired Bluetooth device. ⭐ Hands-Free Calling: Bluetooth 5.0 technology provides a stable connection, and echo cancellation reduces background noise for clearer calls. The built-in microphone with echo cancellation and noise suppression (CVC) technology can effectively create full-duplex sound quality. With the click of a button, you can easily answer, redial, disconnect, or end calls. ⭐ Dual USB Ports: Comes with two charging ports, 5V-2.1A and 5V-1A, which can fully charge your devices in a short time and charge two devices simultaneously. Helps you charge your smart devices while enjoying in-car stereo streaming. ⭐ Music Playback: Supports Bluetooth music/USB disk MP3 music player. You can connect your smartphone or other Bluetooth-enabled devices via Bluetooth to stream music, or insert a USB flash drive (maximum capacity 32GB) to enjoy music.