RAPOO 9900M Multi-mode Wireless Ultra-slim Keyboard & Mouse - Bluetooth 3.0, 4.0, 2.4G Multi-Mode Switch, Ultra-Slim Keys, Adjustable DPI
Features:
Multi-mode Wireless Ultra-slim Keyboard & Mouse
Intelligently switch among multiple devices 
Switch between Bluetooth 3.0, 4.0 and 2.4G 
Ultra-slim floating chiclet keys 
Precision on multiple surfaces 
Fully adjustable DPI sensor 
Eco-friendly rechargeable battery 
Keyboard
Transmission mode2.4G wireless, Bluetooth3.0, Bluetooth4.0 BLE
Key typeMembrane
Key lifetime5 million times
Multimedia hot keysYes
Spill-resistant designNo
Power supply mode2 AAalkaline battery(Pre-installed)
Battery life12 months
Product dimension433*168*23
 (L×W×H mm)

Mouse
Transmission mode2.4G wireless, Bluetooth3.0, Bluetooth4.0 BLE
SensorLaser Tracking Engine
DPI3200 Adjustable 600-3200
ButtonsLeft, middle, right, back, forward button, side scroll wheel, DPI switching button and device switching button
Scroll wheel directionTwo-way
Power supply modeLithium battery
Battery life Approx. 30 days
Product dimension122*85*49
 (L×W×H mm)

Design highlightsIntelligently switch among multiple devices
Switch between Bluetooth 3.0, 4.0 and 2.4G
Ultra-slim floating chiclet keys
Precision on multiple surfaces 
Fully adjustable DPI sensor
Eco-friendly rechargeable battery
Package dimension: 555X235X50MM
Weight: 804g