DFRobot-TEL0108-Bluetooth-Audio-Receiver-and-Playback-Module-Bluetooth-4-0-DFRobot-TEL0108-p-This-Bluetooth-4-0-audio-receiver-module-also-includes-a-USB-port-and-a-TF-card-slot-With-its-pre-amp-level-output-it-can-drive-headphones-or-a-3W-speaker-directly-You-can-also-add-an-active-power-amplifier-and-connect-a-loudspeaker-for-more-volume-p-p-The-module-supports-MP3-WMA-WAV-and-lossless-FLAC-audio-formats-It-supports-playback-from-either-a-TF-card-or-USB-flash-drive-or-via-Blueto