V7 Wireless Optical Mouse – Optical – Wireless – Radio Frequency – 2.40 GHz – Black – USB – 1600 dpi – Scroll Wheel – 4 Button(s) – Symmetrical 2.4GHZ MAX 1600DPI WITH BATT

V7 Wireless Keyboard and Mouse Combo – USB Wireless RF English (US) – Black – USB Wireless RF Mouse – 1600 dpi – 3 Button – Black – Internet Key, Email, Volume Control, Play/Pause Hot Key(s) – Symmetrical – AA, AAA ENGLISH LAYOUT US

Logitech M170 Wireless Mouse – Optical – Wireless – Radio Frequency – Blue – USB 2.0 – 1000 dpi – Scroll Wheel – Symmetrical