Compact, Bluetooth-enabled cube-shaped tracer unit optimized for pistols—delivers vibrant RGB effects, app-controlled settings, and built-in chronograph functionality for enhanced gameplay precision. The E‑Shooter Flare Cube BT Tracer Unit introduces smart, visually striking performance in a compact cube form factor—perfectly tailored for pistol-length AEGs and GBBs. Designed with durable aluminum alloy, this unit delivers vivid tracer effects using high-brightness RGB LEDs across multiple colors and modes, including Flame, Tracer + Flame, and Tracer only. Its Bluetooth connectivity pairs seamlessly with the E‑Shooter app, enabling full customization of color, drag light, and tracer settings, plus real-time chronograph readouts detailing speed, RPS, and joules. Compact and lightweight (60.5×37.8×25.5mm; 75g), the Cube BT maintains exceptional performance—supporting up to 50+ RPS, “”~50,000 shots”” battery life, and over 3 months of standby once fully charged. It includes a USB-C charging cable, set screws, and M14 CCW to 11 mm CW adapter for broader compatibility. Built for convenience and durability, its design also preserves sight lines and maintains a low-profile mount.