Features:
Razer HyperSpeed Wireless Technology
25% faster than other wireless technology, provides high-speed transmission, lowest click latency, stable and fast response.
Razer Focus+ Optical Sensor
It has 20000DPI with 99.6% resolution accuracy, ensuring that even the most subtle movement from this mouse is tracked with consistency. Equipped with intelligent functions, the sensor becomes even more accurate.
2nd Gen Razer Optical Mouse Switch
Adopt infrared light beam to execute every click, 0.2ms response time. No traditional physical contact required, this form of actuation avoids rebound delay and accidental click.
Ergonomic Design
Fit the ergonomic design, allow you to enjoy full freedom in the aspect of movement and control.
Long Endurance Time
This wireless gaming mouse offers 3 modes of connection to adapt to your needs. Up to 120 hours via BT for maximum usage, up to 70 hours via Razer HyperSpeed wireless technology for low-latency gaming, or connect its Razer Speedflex cable so you can continue to game even as it's charging.
Injection-molded Rubber Side Grips
For more secure swipes, the mouse has rubber grips that fully cover its left and right side—molded as part of the shell to ensure they never peel off.
Advanced On-board Memory
Be ready to compete anywhere with up to 5 stored profiles that give you access to optimal keybind layouts, macros and double the inputs via the Razer Hypershift function.

Specification:
Brand: Razer 
Model: DeathAdder V2 Pro
Sensor: Focus+ optical sensor, 20000DPI
IPS: 650 inch/s
Acceleration: 50G
Connection mode: HyperSpeed(2.4GHz), low power consumption BT, wired connection
Cable: 1.8m Speedflex cable(for charging and wired connection)
Battery life: About 70 hours(HyperSpeed wireless connection), 120 hours(low power BT connection)
Item size: 12.7 * 6.17 * 4.27cm /5 * 2.43 * 1.68in
Item weight: Approx. 88g /3.1oz    

Packing list:
1 * Mouse
1 * Cable
1 * User manual