K188 condenser microphone is the best choice for singing or recording without going to KTV. With it, it can capture your voice with pickup hole without aiming at microphone and you can enjoy an audio feast with echo reverberation technology. You can connect with your phone with cable or Bluetooth function and It supports almost singing software no matter on the phone or on the computer with millions of songs for you to choose. No need to buy more accessories and simple operation which favors by people who practice singing, recording, etc.

Features:
[Wireless Bluetooth Connection & 3.5mm AUX-IN]
You can connect with your phone with cable or Bluetooth. Download an APP which has karaoke function on your smart phones or other devices. You can sing your wanted songs via Bluetooth function. Or you can connect your phone with microphone via 3.5mm audio jack. 
[Echo Adjustment & Volume Control]
Echo and volume can be adjusted at your wish. Echo effect is much like KTV, you will feel liking being on the scene of karaoke. Make sure that you can enjoy an audio feast with echo reverberation technology.
[TF Card Function & Singing Software]
It supports TF Card (maximum up to 64G). Once inserted, you can play or sing songs that you pre-download in TF card instantly. It supports almost all singing softwares no matter on the phone or on the computer with millions of songs for you to choose.
[LED Light]
Press power button to switch different light, creating singing atmosphere. You will be intoxicated with your voice and stereo sound accompanied by LED light.
[Convenient Life & Easy Operation]
With drop resistant mic, you can sing at anytime and anywhere with clear a sound quality. No need to buy more accessories and simple operation which favors by people who practice singing, recording, etc. As a speaker, you can also listen to music 

Specification:
Model: K188
Bluetooth: V3.0
Bluetooth Chip: JL
Pickup: Condenser
Reverb Mode: Echo reverberation 
Impedance: 4 ohm
Sensitivity: 52db  
Frequency Range: 150Hz-20Khz 
Charging Voltage: DC 5V
Speaker Power: 5W
Speaker Size: 52mm
Built-in polymer battery: 1200mAh
Battery Type: 1 * 18650 (not included)
Using Time:2 hours
LED Power: 0.8W
Material: ABS Plastic + Print UV
Color: Pink, Gold (Optional)
Main Item Size: Approx. 22 * 8 * 8cm / 8.66 * 3.15 * 3.15in
Main Item Weight: Approx. 253g / 8.91oz
Package Size: Approx. 25.7 * 9.9 * 9.5cm / 10.12 * 3.90 * 3.74in
Package Weight: Approx. 523g / 18.45oz

Package List:
1 * Microphone
1 * USB Cable
1 * 3.5mm Audio Cable
1 * User Manual