ProtoArc Advanced Wireless RGB Trackball Mouse - forefinger control, Supports Bluetooth 5.0 & 2.4G USB, EM03 - Black

Model: EM03

Color: Black

Ergonomic 44mm Trackball: Reduces wrist strain with a large index-finger-operated trackball, no need to move wrist/arm.
3-Device Multi-Connectivity: Supports Bluetooth 5.0 & 2.4G USB, seamless one-click switching between devices.
5 Adjustable DPI & Quiet Clicks: 200-1600 DPI for precise control; soundless clicks for distraction-free use.
Rechargeable Long-Life Battery: 500mAh Li-Po battery lasts up to 60 days; USB-C fast charging.
Space-Saving Compact Design: Stays in one spot, clears desk space for minimalist/limited work areas.

Specs

Reviews

Learn more about the Detailed Specifications

Wireless
Power Supply	Rechargeable Li-Po (500mAh) battery
Operating Time	Up to 1440 Hours (60 days) per full charge
Distance	2.4G transmission distance: 10m (32.8 ft)

Features
Features	1) Ergonomic 44mm Trackball: Reduces wrist strain with a large index-finger-operated trackball, no need to move wrist/arm. 2) 3-Device Multi-Connectivity: Supports Bluetooth 5.0 & 2.4G USB, seamless one-click switching between devices. 3) 5 Adjustable DPI & Quiet Clicks: 200-1600 DPI for precise control; soundless clicks for distraction-free use. 4) Rechargeable Long-Life Battery: 500mAh Li-Po battery lasts up to 60 days; USB-C fast charging. 5) Space-Saving Compact Design: Stays in one spot, clears desk space for minimalist/limited work areas.

Package Contents
Package Contents	1 x Wireless Bluetooth Trackball Mouse (Black body with Gray/Red/Purple Ball variant) 1 x 2.4G USB Receiver 1 x USB-C Charging Cable (Fast Charging) 1 x User Manual

Additional Information
First Listed on Newegg	February 10, 2026

Return for refund within: 30 days

Return for replacement within: 30 days