dmesg USB dongles

usb 1-1.4: new high-speed USB device number 7 using musb-hdrc
usb 1-1.4: New USB device found, idVendor=8644, idProduct=8003, bcdDevice= 1.00
usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1.4: Product: USB Flash Disk
usb 1-1.4: Manufacturer: General
usb 1-1.4: SerialNumber: 041616100000AF8A
usb-storage 1-1.4:1.0: USB Mass Storage device detected
scsi host0: usb-storage 1-1.4:1.0
scsi 0:0:0:0: Direct-Access     General  USB Flash Disk   1.00 PQ: 0 ANSI: 2
sd 0:0:0:0: [sda] 7831552 512-byte logical blocks: (4.01 GB/3.73 GiB)
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 0:0:0:0: [sda] No Caching mode page found
sd 0:0:0:0: [sda] Assuming drive cache: write through
 sda: sda1
sd 0:0:0:0: [sda] Attached SCSI removable disk

usb 1-1.4: new high-speed USB device number 8 using musb-hdrc
usb 1-1.4: New USB device found, idVendor=21c4, idProduct=0cc7, bcdDevice= 2.00
usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1.4: Product: USB Flash Drive
usb 1-1.4: Manufacturer: Lexar
usb 1-1.4: SerialNumber: 54136B750AFD1FBC
usb-storage 1-1.4:1.0: USB Mass Storage device detected
scsi host0: usb-storage 1-1.4:1.0
scsi 0:0:0:0: Direct-Access     Lexar    USB Flash Drive  2.00 PQ: 0 ANSI: 4
sd 0:0:0:0: [sda] 30720000 512-byte logical blocks: (15.7 GB/14.6 GiB)
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 0:0:0:0: [sda] No Caching mode page found
sd 0:0:0:0: [sda] Assuming drive cache: write through
 sda:
sd 0:0:0:0: [sda] Attached SCSI removable disk