Features: Combining microphone, power amplifier and speaker together, suitable for speech, publicity, karaoke, etc. Rare earth material speaker, light weight, excellent sound, high volume, peak power 10W. One button to switch between MC mode and KTV mode, easy operation. Wireless playing function without the trouble of cable connection, more convenient to play music. Volume adjusting function to adjust the volume based on the venue. Built-in DSP chip with the feedback rejecting function to reject feedback effectively. Ultra-long standby, turning off automatically after no signal input for 15 minutes to save the power consumption. High capacity Lithium battery for energy saving and environmental protection, approximately 8h operation time. Compact design, comfortable to hold, suitable for reinforcement and karaoke for a long time. Specifications: Material: ABS Frequency Response: 100Hz-15kHz Peak Power: 10W Speaker Impedance: 4 Ohm THD: THD less than 5% 1KHz@4R, 4W S/N Ratio: 66dB (A-Weighted)@1W 4 Ohm (speech mode) BT Version: 5.0 Reverb: Reverb Operating Voltage: 3.4V-4.2V Battery Type: Li-ion battery (18650) Battery Capacity: 3.7V/2600mAh Charging: DC5V= 1.5A Charging Time: approx. 4h Operation Time: approx. 8h (speech) Cartridge Specification Cartridge: Back electret Polar Pattern: Unidirectional Frequency Response: 150Hz-16KHz Sensitivity: -47.5+/-1.5dB(0dB=1V/Pa, at 1KHz) Item Size: 254 * 64mm / 10 * 2.52in Item Weight: 203g / 7.17oz Package Weight: 512g / 18.08oz Package Size: 28.8 * 10.2 * 8.5cm / 11.34 * 4.02 * 3.35in Package List: 1 * Speech Microphone 1 * Windscreen 1 * Type-C Charging Cable 1 * Manual (English)