Description: WS-858 Bluetooth Wireless Karaoke Handheld Microphone USB KTV Player Bluetooth Mic Speaker Record Music. Specification: Color:Gold,Rose gold,Black Type:Microphones Material:Aluminium + ABS Battery capacity:1800 mAh Power:5W Frequency range: 100Hz 10khz Maximum sound pressure level: 115 dB 1khz Total harmonic distortion: less than 1% Reverb mode: Echo-reverb Power: built-in lithium battery Feature: 1. Professional adjustment buttons Treble /Bass./ Volume / Father / Reverb can be adjusted by the microphone. 2. Bluetooth wireless microphone and speakers, two-in-one, no additional connection to work independently. 3. The microphone head has three noise reduction processing, more effective highlight your beautiful voice. 4. Bluetooth 4.0 connectivity, able to be paired with Bluetooth enabled devices 5. Excellent sound quality with echo-reverberation effect 6. All the applications of ideal singing to speech sound can be used as a Bluetooth speakers. Packaged include: 1x Microphone 1x USB Cable 1x Micro USB to Audio Cable 1x User Manual Note: 1. Please allow 1-3 cm different due to manual measurement and 3-5g for the difference between different colors. 2. Due to the screen difference, the color may be a little difference from what you expect, please allow it.