Features: brand new and high quality The small size and lightweight design can easily carry. Comes with a waistband ,you can hang it around your waist with the help of the waistband belt. for Ideal for teaching, for tour guides, or outdoor speech. Sensitive pickup and more sound penetration. The sound of microphone amplifier is clear, no noise and no distortion. Specifications: Material:ABS Color:Black Working Voltage:DC 5V/1A Battery Capacity:1800mAh Charging time:2-4hours Using Time:About:15hours Audio Format:MP3/WMA/Wav Package Includes: 1x Voice Amplifier Microphone 1x Waistband 1x Charging Cable note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.