Professional 4-channel mixer with Bluetooth and USB Explore new dimensions of musical creativity with our professional 4-channel mixer, enhanced by Bluetooth and USB connectivity. Designed for music enthusiasts who want a versatile and reliable solution for their mixing needs, this mixer offers a perfect fusion of advanced performance and innovative features. Bluetooth connectivity lets you connect wireless devices quickly and seamlessly, allowing you to play music from your smartphone, tablet or laptop directly into your mix. Plus, the built-in USB port gives you the ability to play digital audio files directly from your flash drive. Characteristics Model: F4-USB 2 Mono microphone/line inputs (XLR and 6.3 mm jack) TAPE outputs in RCA Phantom power + 48V Echo Effect Generator (Delay and Repeat)  TREBLE / BASS / MEDIUM MANAGEMENT ON EACH CHANNEL FX and Aux adjustable for each channel Built-in USB player (you listen to music from the pendrive) Included in the package power supply  User manual