<ul> <li>FULLY AUTOMATIC SCANNING: Find an open channel fast with auto channel scan.</li> <li>LONG-DISTANCE TRANSMISSION: Generous range up to 3000m (MAX 7000m open field).</li> <li>SUPER-LONG BATTERY LIFETIME: Rechargeable 1500mAh Li-ion Battery last long working.</li> <li>WIDELY APPLICATION: Great for supermarkets, shopping centres, festivals and any outdoor activities.</li> <li>100% GUARANTY QUALITY: 30 days money back; 12 months warranty; 24*7 hours prompt customer service.</li> </ul>