Integrated LED charging status indicator for each USB port. Intelligent USB-C charging electronics with automatic charge cut-off (60W per port) Charge Only! For 36 devices at the same time (even when closed) Two carrying handles on the sides. All handles are recessed Integrated ventilation system for perfect temperature adjustment 4 smooth-running castors, 2 with locking brake Integrated locking system (key included) Active ventilation system (max. noise level 31dBA, air performance: 39m³ / h) Suitable for USB-C charging for laptops or iPads or tablets up to max. 15.6″.