Bluetooth Karaoke Microphone

Brand Name: NoEnName_Null Style: Handheld Microphone Transducer: Condenser Microphone Use: Computer Microphone Set Type: Multi-Microphone Kits Polar Patterns: Bi-directional/Figure-8 Communication: Wireless Package: Yes Model Number: 858 Use: Karaoke Microphone: Transducer: Condenser Microphone Style: Handheld Microphone: Set Type: Single Microphone Communication: Wireless: Polar Patterns: Hypercardioid Output Wattage: 5W * 2: Material: Aluminum Alloy Sound Pressure Level: 115dB 1KHz THD<1%: Frequency Response Range: 100Hz ~ 10KHz Bluetooth Version: Bluetooth 4.0: Battery Capacity: 1800mAh Charging: DC 5V / 1A: Battery Life: 5-8 Hours Handheld Microphone: Use: Karaoke Microphone