A for Tech OP-620D

✅ Plug & Play – No software installation needed; just insert the nano USB receiver for instant connectivity.
✅ Silent Click Technology – Noise-free operation for distraction-free work or late-night browsing.
✅ Ergonomic Design – Comfortable grip reduces hand fatigue during extended use.
✅ High-Precision Optical Sensor – Delivers smooth tracking (1000-1600 DPI adjustable) for accuracy.
✅ Long Battery Life – Auto sleep mode extends battery life (powered by 1x AA battery, not included).
✅ Lightweight & Portable – Ultra-slim design makes it easy to carry in your bag.
✅ Stable 2.4GHz Wireless – Strong signal up to 10 meters (33 feet) without lag.
✅ Durable Build – Scratch-resistant surface for long-lasting use.