This article covers MCHOSE K7 Ultra ゲーミングマウス 59g 軽量 500mAh バッテリー PAW3950 42K センサー 2.4G.

Overview

The MCHOSE K7 Ultra is a wireless gaming mouse that weighs just 59 grams, making it one of the lightest options in its class. It pairs that featherweight chassis with the PAW3950 optical sensor, capable of tracking up to 42,000 DPI, and supports an 8,000 Hz polling rate in both wireless and wired modes. The result is a mouse that feels almost weightless in the hand while delivering the kind of low-latency response that competitive gamers demand. Beyond raw performance, the K7 Ultra offers tri-mode connectivity — 2.4 GHz wireless, Bluetooth, and wired USB — so you can use it with a desktop PC, laptop, or even a tablet. The included magnetic charging dock makes it easy to keep the 500 mAh battery topped up between sessions, and the overall build quality feels solid despite the low weight.

Connectivity & Compatibility

Tri-mode connection: 2.4 GHz RF (with included dongle), Bluetooth, and wired USB-C. Switch between them with a button on the bottom of the mouse. 8,000 Hz polling rate supported in both 2.4 GHz wireless and wired modes. Bluetooth mode is limited to a standard 1,000 Hz polling rate, which is fine for productivity but not ideal for gaming. Compatible with Windows, macOS, and Linux. A configuration software (currently English-only) allows DPI adjustment, button remapping, and RGB lighting control. The magnetic charging dock uses pogo pins — no need to plug in a cable every time. The dock itself connects via USB-C and also acts as a storage cradle for the 2.4 GHz receiver.

Product Info

The MCHOSE K7 Ultra launched in 2025 and is priced around ¥26,000 on Japan. For that price, you get a mouse that competes with far more expensive models in terms of weight, sensor performance, and polling rate. It sits firmly in the mid-high tier of the gaming mouse market, offering features typically found on ¥30,000+ mice at a more accessible price point. Warranty is the standard one-year manufacturer coverage. The package includes the mouse, magnetic charging dock, USB-C cable, 2.4 GHz wireless receiver, and a quick-start guide. No replacement skates or grip tape are included, but aftermarket options are available.

Best Use Cases

Competitive FPS players: The 59 g weight and 8K polling rate give you a tangible advantage in twitch shooters like Valorant, CS2, and Overwatch 2. The low mass makes flick shots feel effortless, and the high polling rate reduces input lag to near-imperceptible levels. If you prefer a heavier mouse for stability, this may feel too light. All-day gamers and streamers: The 500 mAh battery lasts for dozens of hours on a single charge, and the magnetic dock makes recharging as simple as setting the mouse down. You can keep gaming while it charges, or just dock it during breaks. Not ideal if you need a mouse with hot-swappable batteries for instant replacement. * Multi-device users: Switch between a gaming PC on 2.4 GHz and a work laptop on Bluetooth with one button press. The mouse remembers paired devices, so you don't need to re-pair every time. Bluetooth latency is higher, so avoid using it for competitive gaming in that mode.

Things to Consider

The side buttons are on the left side only, making this mouse less suitable for left-handed users who want to use them. Lefties can still use the mouse in ambidextrous mode, but the side buttons will be inaccessible. Running at 8,000 Hz polling rate increases CPU overhead. On older or lower-end processors, this can cause micro-stutters in CPU-bound games. If you notice performance issues, drop the polling rate to 2,000 Hz or 1,000 Hz via the software. The configuration software is currently English-only. Japanese users may find the interface less intuitive, though the basic functions (DPI, button mapping) are straightforward enough to navigate without language support. The mouse uses a proprietary charging dock connector — you cannot use a standard Qi wireless charger. The dock itself is included, but if you lose it, you'll need to rely on the USB-C cable for charging.

Product Disclosure (Amazon)

  • Manufacturer: MCHOSE
  • Seller: Biwa Nest
  • Fulfilled by: Biwa Nest
  • ASIN: B0GWHLR5RL
  • Note: This article covers a manufacturer-made product based on Amazon listing details.