... player,USB/TF card 3,LED Display 4,Mini size,Easy to take 5.FM Radio,MCU system Waistband Portable Voice Amplifier with ... power speaker, high sensitivity microphone*Built MCU Intelligent recharging management system for secure recharge and discharge*Fully charged within 4-6 ... ,Publication,Outdoor entertainment Mini Size Rechargeable Portable Voice Amplifier with LED display V-5