Main Specifications — MEETION R545 (Black)
Model: MT-R545

• Connection Type: 2.4 GHz wireless connection with USB nano receiver (operating range up to 10 m)

• Sensor: Opto-electronic (optical)

• Resolution: 1600 DPI

• Power Supply: 1 × AA battery (included)

• Buttons: 3 (left, right buttons and scroll wheel) — specified in the documentation

• Dimensions: 100 × 60 × 39 mm

• Weight: approx. 70 ± 5 g

• Rated Voltage / Current: 3.7 V / 8 mA

• Material & Design: Ergonomic, symmetrical design (suitable for both right- and left-handed users), matte soft-touch coating, comfortable, non-slip, easy to clean

• Power Saving Feature: Automatically enters sleep mode when idle

• OS Compatibility & Convenience: Plug & Play, no drivers required; compatible with Windows, macOS, Linux, and other systems (as confirmed on English-language sources)