dmesg:

 1916.499868] usb 2-3: new high speed USB device number 12 using ehci_hcd
[ 1916.624680] scsi15 : usb-storage 2-3:1.0
[ 1917.623662] scsi 15:0:0:0: Direct-Access     SanDisk  Cruzer Slice     8.02 PQ: 0 ANSI: 0 CCS
[ 1917.624617] sd 15:0:0:0: [sdb] 15695871 512-byte logical blocks: (8.03 GB/7.48 GiB)
[ 1917.625177] sd 15:0:0:0: [sdb] Write Protect is off
[ 1917.625180] sd 15:0:0:0: [sdb] Mode Sense: 45 00 00 08
[ 1917.625630] sd 15:0:0:0: [sdb] No Caching mode page present
[ 1917.625633] sd 15:0:0:0: [sdb] Assuming drive cache: write through
[ 1917.627864] sd 15:0:0:0: [sdb] No Caching mode page present
[ 1917.627866] sd 15:0:0:0: [sdb] Assuming drive cache: write through
[ 1917.629245]  sdb: sdb1 sdb4
[ 1917.631361] sd 15:0:0:0: [sdb] No Caching mode page present
[ 1917.631364] sd 15:0:0:0: [sdb] Assuming drive cache: write through
[ 1917.631366] sd 15:0:0:0: [sdb] Attached SCSI removable disk


lsusb:

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 05ca:183e Ricoh Co., Ltd Visual Communication Camera VGP-VCC9 [R5U870]
Bus 003 Device 002: ID 147e:1000 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor
Bus 004 Device 002: ID 0609:0338 SMK Manufacturing, Inc.
Bus 006 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 008 Device 002: ID 044e:3017 Alps Electric Co., Ltd BCM2046 Bluetooth Device
Bus 002 Device 012: ID 0781:5566 SanDisk Corp.