This product is a wireless voice amplifier featuring a 2200mAh battery for extended use. It amplifies your voice and helps reduce throat strain. The amplified sound is clear, crisp, and free of noise and distortion, with a coverage of approximately 1000 square feet, making it sufficiently loud for daily use. This device serves as an effective solution for protecting your voice. Features: - Color: Rose gold - Material: ABS - Size: 9x8.4x2.8cm - Battery Capacity: 2200mAh - Clear, crisp sound output with no noise or distortion - Compact and lightweight design; includes a back clip for attachment to a belt or pocket, and can be worn on the waist or neck - Built-in 2200mAh rechargeable lithium battery; supports up to 10 days of use on a full charge - Supports TF (Micro SD) card for MP3 playback with functions including single track repeat, full playlist loop, and song skipping - Includes a wired headworn microphone with adjustable positioning for optimal mouth-to-mic distance - Suitable for teachers, singers, coaches, tour guides, and other professionals Packing List: 1 x Voice Amplifier