1. Bluetooth wireless microphone and speaker 2 in 1, can work independently without extra connection 2. Package Includes Microphone USB charging cable Audio Recording cable Storage case User manual 3. Microphone head has three times noise reduction handle, more efficient to highlight your beautiful voice 4. High compatibility, fit for iOS and android smartphone iPad tablet, can read USB card, Bluetooth connection 5. Professional tuning button, high pitch / bass/volume/Accompany/reverberation all can be adjusted via this microphone.