16 GB – USB 2.0 – 12 MB/s Read Speed – 5 MB/s Write Speed – Aluminum – 1 Year Warranty – 1 Each

4 GB – USB 2.0 – 12 MB/s Read Speed – 5 MB/s Write Speed – Aluminum – 1 Year Warranty – 1 Each

Optical – Cable – Dark Gray – 1 – USB – Scroll Wheel – 2 Button(s) – 2 Programmable Button(s)

Black

USB – 1 Pack

Stereo – Black – Mini-phone (3.5mm) – Wired – 32 Ohm – 20 Hz 20 kHz – Over-the-head – Binaural – Circumaural – 3.9 ft Cable – 1

Cable – 1 – 3 Button(s)

Stereo – Silver, Blue – Mini-phone (3.5mm) – Wired – 32 Ohm – Earbud – Binaural – In-ear – 3.9 ft Cable – 1

Cable Connectivity – USB Interface – Dark Gray

V-Track – Wireless – 49.21 ft (15000 mm) – Radio Frequency – 2.40 GHz – Black – 1 – 2000 dpi – Tilt Wheel – 4 Button(s)

Optical – Cable – 1

BlueTrace – 1