4D KTS-663 Karaoke System Wireless Bluetooth Speaker with Mic & with Recording System 10 W Bluetooth Speaker  (Pink, 2.1 Channel)

1. LED Screen 2. Master Volume: In MP3/FM/AUX mode, use it to regulate volume output from the speaker. 3. TF Port: Read audio files in MP3 format in USB TF device in capacity to 32G (FAT32). 4. USB Port: Read audio files in MP3 format in USB storage in device Capacity up to 32G (FAT32) 5. :In FM receiving status,short press it to select the previous channel after a full station search has been executed. 6. :In Bluetooth/USB/TF card reading status, short press it to Play/pause,or Long press it to select one of four playback sequencing modes (All-play all tracks in sequence RAND-play in random, ONE repeat one track, FOL –repeat all tracks in a folder. In FM receiving status,short press it to execute a full search (it is recommended to execute at least one full search before using radio receiving function .All founded stations will be saved even in power-off). In AUX input status short press it to toggle between mute and normal volume . 7. In Bluetooth /USB/TF/card reading status short press it to go to the previous track .in FM receiving status shout press it to select the next channel after a full station search has been executed. 8. Mode: short press it to toggle between Bluetooth/USB/TF and FM Receiving modes. 9. Environment switching In Bluetooth /USB /TF reading status short press it to select an environment mode (form Square, Meeting Home Hall and Personal ) long press it to loggle between recording folder and MP3 folder. 10. DC 9V recharging DC 9V Recharging port 11. Power switch ON , OFF 12. Earphone : Earphone Port. 13. Audio Input :External sound source input port (plug-and-play) 14. Reverberation : Microphone reverberation regulating knob. 15. Guitar input: Electric guitar input port 16. Microphone volume :Microphone volume regulating knob. 17. Microphone :Earphone /Mic Port 18. Microphone input : Microphone Input Jack. 19. Track selection via numeric key, used in the same way with 0-9 numeric keys on remote control.