Media Control Fn keys give you quick access to functions like media player, homepage, volume adjustment, etc. 1000 DPI Tracking Engine You’ll enjoy responsive and smooth cursor control with the 1000 DPI invisible tracking engine. Up to 12-Month Battery Life With Rapoo’s energy saving technology and power switch, you can use your mouse without power interruption for up to 12 months. Plug-and-forget NANO Receiver So small and unobtrusive, you can plug it into a USB-port and forget about it. No more worries about lost receivers. Device Specifications: Mouse specification  –

• Product dimension (L×W×H mm) – 113.1*63.9*29.8
• Product weight(g) – 72
• Transmission mode – 2.4G wireless
• Working method – Optical
• Buttons – Left button, middle button, right button
• Power supply mode – Alkaline battery
• Full travel(mm) – 0.5±0.20
• Buttons life – Left button & Right button: 3 million times
• Scroll wheel direction – Two-way scrolling
• tracking speed（inch/s）- 30
• acceleration（G）- 10
• Resolution (DPI) – 1000

Keyboard specification –

• Product dimension (L×W×H mm) – 446.7*130.8*29.5
• Product weight(g) – 490
• Transmission mode – 2.4G
• Keys – 104
• Key type – Membrane
• Key stroke（mm）- 3
• Key lifetime – 10 million
• Battery life – 12 months

Others –

• System requirement – Windows® XP/Vista/7/8/10 or later, USB port
• Package contents – Wireless keyboard, Wireless mouse, Receiver, 2 AA alkaline batteries(pre-installed), Quick start guide