Three Port Charging Case - This versatile Three Port Charging Case allows you to charge three batteries simultaneously, saving you time and effort. OLED Display - The OLED display provides clear and concise information about the charging status, making it easy to monitor your devices. Fast Charging Hub - Experience rapid charging with our Fast Charging Hub, ensuring your devices are powered up in no time. Compatible with FOR Hero 13 - Designed specifically for Hero 13, this charger offers perfect compatibility and optimal charging performance. Color:Transparent Black Material:plastic Package Contents: 1 * Battery Charging Hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.