The Razer Viper V4 Pro took me back to basics, and you know what? Maybe that's all a gaming mouse should be
The Razer Viper V4 Pro is a lightweight and responsive gaming mouse designed for competitive gamers. It features an ergonomic design, improved battery life, and upgraded optical switches for enhanced performance. Despite its high price and lack of a left-handed version, it is considered one of the best gaming mice available.
- ▪The Viper V4 Pro weighs only 49g, making it comfortable for long gaming sessions.
- ▪It features Razer's third-generation Focus Pro 50K optical sensor and an 8K polling rate.
- ▪The mouse is priced at $159.99 and is available globally.
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Story provenance
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Record
| Original publisher | TechRadar |
| Canonical URL | https://www.techradar.com/computing/mice/razer-viper-v4-pro-review |
| Publication time | Fri, 29 May 2026 17:28:08 +0000 |
| Retrieval time | 2026-05-29T17:35:02.420Z |
| Last seen | 2026-05-29T17:35:02.420Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | tBuF_JbeIX_3 |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
TechRadar Verdict The Viper V4 Pro is the latest premium esports mouse from Razer, and it delivers ultra-responsive wireless performance perfect for twitchy online shooters. Weighing just 49g, it's exceptionally comfortable to use even for lengthy gaming sessions, and the design wins not just on ergonomics but on straightforward minimalism that lets it blend seamlessly into any desktop setup. Razer's new HyperSpeed Wireless Gen-2 dongle ensures zero-latency gaming, and the battery lasts for weeks between charges, too.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at TechRadar.