... ,USB/TF card 3,LED Display 4,Mini size,Easy to take 5.FM Radio,MCU system ... Portable Voice Amplifier with Headphone V-5 *Mini size,easy to take*18W output power, sound can ... )*Net weight:485g(Including battery)*Dimension:105*97*41mm*Amplifier body x 1set*Charger adaptor x 1set ... Training, Sports, Speech,Publication,Outdoor entertainment Mini Size Rechargeable Portable Voice Amplifier with LED display V-5