Razer Viper Ultimate Wireless Gaming Mouse HyperSpeed Wireless Technology 20000DPI FOCUS+ Optical Sensor (without Charging Base)

Features:
HyperSpeed Wireless Technology
25% faster than other wireless technology, provides high-speed transmission, lowest click latency, stable and fast response.
FOCUS+(PAW3399) Optical Sensor
It has 20000DPI with 99.6% resolution accuracy, ensuring that even the most subtle movement from this mouse is tracked with consistency. 
Optical Mouse Switch
The optical mouse switch is optimized and adjusted to achieve zero error execution, no springback delay is about three times faster than traditional mechanical fretting.
Ergonomic Design
Enjoy faster and smoother control with the 78g wireless gaming mouse, fit the palm, not easy to fatigue.
Chroma RGB Charging Dock
Features 16.8 million color combinations with an efficient charging dock that can seamlessly integrate with other Razer Chroma-enabled devices, and improved wireless power efficiency keeps it running at peak performance for up to 70 continuous hours.
8 Programmable Buttons
Fully configurable via Razer Synapse 3, the 8 programmable buttons let you access macros and secondary functions so you can execute extended moves with ease.

Specification:
Brand: Razer
Model: Viper Ultimate
Color: Classic Black/Quartz Pink/Mercury White(optional)
Sensor: FOCUS+(PAW3399) optical sensor, 20000DPI
IPS: 650inch/s
Acceleration: 50G
Wireless connection: HyperSpeed
Cable length: 1.8m
Item size: 12.7 * 6.6 * 3.8cm /5 * 2.6 * 1.5in
Item weight: Approx. 78g /2.75oz

Packing list:
1 * Mouse
1 * Charging Cable 
1 * Charging Dock
1 * User Manual