Directly into the main topic, this should be the most favorite gaming mouse I bought this year, the classic shape, the use of the button layout is higher, the battery life is super durable, the starting price is only 299 yuan - Razer Purgatory Viper V2 X Speed Edition.

Mouse family portrait display, one mouse, one AAA battery (non-rechargeable battery), one product manual and one Razer sticker.
The mouse figure shows that this Purgatory Viper V2 X Speed Edition is more like a fusion of the old Mamba 4G and the Purgatory Viper V2. Compared with the previous launch of the Purgatory Viper V2 Pro, the biggest difference is that the DPI toggle key has been moved to the upper left corner of the left button, perhaps this is a tribute to the previous old Mamba.
The Purgatory Viper V2 X Express Edition is almost identical to the Purgatory Viper V2 Pro in terms of contour styling. 127x61.7x42.7mm size of the right hand ergonomic mouse, the shape is very classic, this size is very friendly to my large hand users, and I am very pursuing the mouse to the palm support, the height and position of the middle bulge of this mouse is just right for me; the mouse is made of black matte material, the anti-slip is still good; the only regret is that the mouse's RAZER pattern LOGO has no lighting effect.
The left and right button parts of the mouse have a small concave arc, which is very convenient for the positioning of the fingers, and I especially like this detail processing; the mouse does not do any form of USB charging interface, and the sense of unity of the whole mold is better.
From this point of view, it can be seen that the four programmable buttons are located closer, and from my own usage habits, this button layout I think is more practical than placing two buttons under the scroll wheel.
The roller area is equipped with a mirror material overlay, and the roller is a standard two-way roller, if this mouse can be equipped with the new vertical and horizontal roller on the Barcelles Snake V3, I think it is almost perfect. There is an indicator at the end of the mirror overlay that indicates the different DPI gears, pairing status, and battery level.
Mouse chassis part, it seems that this PTFE ultra-smooth foot sticker began to be popularized in the price segment of about 300 yuan, great praise, and then thanks to the relatively large area of the foot sticker, the mouse moves very smoothly; the Purgatory Viper V2 X speed version is equipped with a 5G optical engine with a maximum of 14000DPI/450IPS/50G acceleration, for players like me who only use 2000DPI all year round, the configuration redundancy of this sensor is still quite large.
Purgatory Viper V2 X Express Edition is an outer top cover design, the tail of the mouse reserved a small groove for easy to remove the top cover, the details are praised; the top cover and the mouse are magnetic adsorption design, disassembly and installation are more convenient, the mouse has a No. 5 battery compartment, a No. 7 battery compartment and a wireless adapter storage compartment. The two battery compartments can only be used to choose one or the other, and cannot be compatible with the AAA battery + AAA battery at the same time. The position and layout of the battery compartment is carefully designed, and there is no impact on the position of the mouse's center of gravity when the battery is inserted.
According to the official parameter, when inserting the No. 5 battery, the ultimate endurance time in the 2.4G HYPERSPEED wireless mode is 235 hours, and the Bluetooth mode can have 615 hours of battery life. I myself equipped this mouse with two No. 5 rechargeable batteries, that kind of battery body with a charging interface, so that the two rechargeable batteries are used in turn, with and the strongest mode of 200+ hours of battery life, basically do not have to worry about the mouse power.
In addition, the weight of this mouse after inserting the AAA battery is about 101g (without the weight of the adapter), if you pursue more lightweight, you can consider equipping a AAA battery, the weight will be less than 90g (without the weight of the adapter).
After opening the lid, you can see the "green dot" micro-motion of the left and right buttons, which is the second generation of Razer mechanical micro-motion, up to 70 million click life, it is worth mentioning that I personally feel that the sound of these two micro-movements is more crisp and good than the second-generation optical micro-motion on the Purgatory Viper V2 Pro.
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The 2.4GHz wireless mode of the Purgatory Viper V2 X Express Edition also supports the HYPERSPEED function, and all Razer wireless devices that support this function can be connected to the host through a USB adapter, which is very friendly for some thin and light books/games with relatively few USB interfaces.
The Thundercloud 3 drive is also very important for the Purgatory Viper V2 X Express Edition, since this mouse only has one set of on-board memory, and many high-level functions related to the combination of macro buttons need to be completed with the support of the driver software. Fortunately, The ThunderCloud 3 is very perfect in terms of functions, with the help of the driver, the player can easily switch modes in various games and different use scenarios, and in addition, the silent height of the mouse can be fine-tuned/calibrated in the driver.
As mentioned above, I am a perennial DPI is not higher than 2000 users, in the daily state I only open two DPI to do switching... In addition, it should be said that only in the state of 2.4GHz HYPERSPEED can open 1000Hz return rate, Bluetooth mode can only use the default 125Hz can not be additional adjustments, personal advice in the pure office or need to extend the endurance of the scene to use Bluetooth mode, the game scene or priority to use 2.4GHz mode.
In the game experience part, for me, the position of the two DPI adjustment keys is more convenient to use, even if some of the more complex game scenes, with two side keys and two DPI buttons that can control other functions, can be more comfortable to deal with.
Summary part, first of all, the part I said at the beginning, the Purgatory Viper V2 X Speed Edition is really my favorite mouse this year, whether it is the appearance or feel or performance, even the cost performance is very good, about two 70 million times life of the second generation of Razer mechanical micro motion sound is very crisp, the position of the DPI switch key is more practical for me, the mouse endurance performance is also very good; some auxiliary functions on the mouse can be done very perfectly through the Thundercloud 3 drive.
Let's talk about small regrets, just a set of on-board memory and can not store additional macro settings (want more perfect functions must rely on Thundercloud 3); still two-way scroll wheel did not give the new vertical and horizontal roller (all this cost-effective what bicycle); after the computer is turned off, if you do not turn off the mouse, the middle indicator will flash for a minute or so before turning off... There is no RGB zone...
However, according to the price of the first 299, for me enough rich hardware performance (5G optical engine / 14000DPI / 450IPS / 50G acceleration), excellent appearance and feel, coupled with the two sections of the above mentioned No. 5 rechargeable battery without charging cradle in turn, this mouse is "unlimited" endurance state, simply comfortable. All that's left is to hope that one day in the future, the Viper will come up with a new version of the Vertical and Horizontal Roller with the Barcelles Snake V3.