DAISO Bluetooth Speaker (Retro Type) - This retro radio-style "Bluetooth speaker" is popular for its "cute retro design." It has an SD card slot, so you can listen to your own music by inserting an SD card. Charging time is about 3 hours, and it can play for about 4.5 hours at maximum volume. Compatible with Bluetooth 5.0 or higher devices. You can pair it with your smartphone or music player and enjoy music from the speaker. Type B rechargeable Operating range: 10m Playback time: 4.5 hours (*at maximum volume) Size: 9.5 x 6.0 x 5.0 cm Accessories: USB charging cord included. *Instruction manual and box are not included. Instant purchase is welcome. Thank you.