PRECISE TTL EXPOSURE - Ensures optimal lighting with automatic TTL metering, seamlessly integrating with Olympus & Panasonic cameras for accurate and consistent results. RAPID RECYCLE TIME - Minimizes downtime with a quick ~3-second recycle time at full power, allowing you to capture every crucial moment without missing a beat. ULTRA-COMPACT DESIGN - Offers unparalleled portability with dimensions of 57 x 40 x 22mm and a weight of just 34g, making it the perfect on-the-go lighting solution. CONVENIENT USB-C CHARGING - Simplifies power management with a modern USB-C port for fast and efficient charging of the built-in 470mAh Li-ion battery, no external charger needed.