Which consumes more battery power: Bluetooth or Wireless mice?

Don't be quick to blame the faulty battery; here's the real reason your wireless mouse is draining your battery so quickly.

Today, the popularity of wireless peripherals, such as computer mice, is undeniable. They are everywhere, from basic offices to large gaming rooms. But surely, we've all experienced the surprising situation of our mouse batteries running out after only a short time. So, what causes this?

Which type of wireless mouse, Bluetooth or Wireless, consumes less battery power?

In fact, the connection standard used by the mouse significantly impacts its power consumption. Technical measurements indicate that the 2.4 GHz wireless protocol (using a USB receiver) consumes between 10 and 30 mW, which is 10 to 30 times higher than the ultra-low consumption of approximately 1 mW of Bluetooth Low Energy technology.

Bluetooth wireless mice consume less battery power than 2.4 GHz wireless mice.

PHOTO: PHONG DO

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The core difference that leads to this enormous disparity lies in the frequency of location reporting and how the device maintains communication with the computer. 2.4 GHz mice typically send location signals 1,000 times per second (even up to 8,000 times) to eliminate latency. In contrast, Bluetooth mice usually operate at around 125 times per second. This significantly reduced transmission workload allows the Bluetooth mouse's circuitry more time to 'rest,' resulting in substantial battery savings.

It's important to note that the actual difference depends heavily on the specific mouse model, position reporting frequency, sensor, firmware, RGB lighting, and battery capacity.

Furthermore, the mechanisms for maintaining radio wave transmission in these two technologies are optimized for different objectives. After sending a data packet, Bluetooth Low Energy allows the transmitter to quickly switch to a power-saving state, consuming very low current. Meanwhile, high-performance 2.4 GHz wireless mice prioritize low latency and instantaneous response, so maintaining radio wave transmission requires the sensor and processor to operate more frequently.

Additionally, internal hardware components such as sensitive optical sensors and RGB LED lighting systems are also major battery drainers. A device running at a high 2.4 GHz refresh rate, combined with the lighting on, can significantly reduce battery life, especially on compact gaming mice with small batteries. To conserve energy, hardware experts always recommend completely turning off the LED lighting and reducing the sampling rate when switching to basic tasks.

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Overall, if you're a gamer who demands absolute millisecond precision, the 2.4 GHz protocol is a completely worthwhile power trade-off. However, for office workers or general users, the habit of switching to Bluetooth mode is the best solution to ensure the device lasts longer.

Source: https://thanhnien.vn/chuot-khong-day-bluetooth-hay-wireless-ngon-pin-hon-185260618100340777.htm