There are 2 modes speakers：
one is F666.
one is XERTMT, don't support FM function.
Please view carefully before ordering. If you have any problems, please send message to us. thank you.
Product Description of F666
The external retractable FM antenna supports FM automatic search.
Portable shoulder strap.
Mobile phone stand function.
Built-in Bluetooth wireless transmission, mobile phone Bluetooth playback.
Support hands-free call function.
Support to play MP3 songs stored in U disk.
Support playing MP3 songs stored in TF card.
With memory function, you can continue to play.
Support recyclable charging.
Support all audio input from external 3.5mm terminal
Wireless version: 5.0
Battery: 4000mAh large battery
Transmission distance: 10 meters
Signal to noise ratio: ≥80dB
Input current: DC 5V
Product size: 230*95*95mm
Product material: mesh + plastic
Standard: speaker + charging cable + shoulder strap+Audio cable
small and portable , listen to nature.
The size of a handbag.
Small size , Big voice.
1.Bluetooth function: turn on the speaker, it will automatically enter the Bluetooth mode, then turn on your phone's Bluetooth, search for the speaker's Bluetooth, and click Connect.
2.TWS function：turn on 2 speakers, then long press one of the speaker's “+” button. Until they connect to each other.
3. U-disk playback: turn on the speaker, Insert the USB flash drive that downloaded the song in mp3 format，it will say” playback usb drive”, Then it will automatically play the song，Support resume playback at breakpoint.
4.AUX function: support almost all 3.5mm AUX device. Use audio cable to connect the speaker and the device directly. Turn on music to play.
5. FM function: in any mode, press the “M” until switch to the FM mode, then long press the rightmost triangle button , Then it will automatically search for available stations. （Please note: As long as there are available radio stations near you, and the signal at your location should be spacious and not too many obstructions, then it can automatically search for radio stations. If there is no radio station available, it may be because there is no available radio station near you or you There are too many obstructions or too concealed at the location, resulting in poor signal.）
6.TF card mode, turn on the speaker, Insert the TF card that downloaded the song in mp3 format, it will automatically play the song，Support resume playback at breakpoint.
7：Please press the “M” button to swtich to the mode you want. If you have any problem in using, please send message to the service, we will reply you within 24 hours. Thank you for your cooperation.
8. Support hands-free call function： When your phone is connected to the speaker， When there is an incoming call，press once the rightmost triangle button to answer the call，press again to hang up the phone， long press it to refused to answer the call.
Radio search, Bluetooth 5.0, Support call, Cycle charging, Menory Card play, TF card playback, U disk play, 3.5mm all Terminals, Mobile phone bracket.
Product Description of XERTMT: