Docooler K18 Wireless BT Karaoke Microphone Line-in USB Receiver Volume Echo Control Portable - Black with Gold

Docooler K18 Karaoke Microphone is the best choice for singing Karaoke outdoors, home concert, small meeting and program presentation. It supports BT connection and Line-in function, and the background music can be played in two ways. The background music volume, mic volume and echo effect is adjustable with receiving box. And it also supports Microphone priority function, that's to say, when someone is speaking, the background music will be automatically half lower to highlight the speaker's voice; when no one speaks, background music will be back to normal volume again. You will have fun with this wireless Karaoke Microphone.

Features:
[Two Ways to Play Background Music] Support BT and Line-in, background music can be played via BT connection or Line-in mode.  
[Adjustable Background Music] Background music is adjustable via the USB receiving box. It has memory function, which stores the setting before you turn it off.
[Microphone Priority Function] When someone is speaking, the background music will be automatically half lower to highlight the speaker's voice; it will return to normal volume again when no one speaks.
[Adjustable Mic and Echo Volume] Microphone and Echo Volume can be adjusted via the receiving box, very clear and gorgeous voice, no diatortion. Microphone works in the UHF band, 500-980MHz.
[Long Duration Time] Built-in rechargable 600mAh battery ensures 5 hours playing time. K18 wireless micrphone is suitable for home concert, ourdoor party, presentation, speech, training, meeting and more.

Steps for Using:
* Connect Power Supply. Connect the receiving box to DC 5V power adapter, power bank, etc.
* Connect Speaker. Connect your speaker to the OUT port of the receiving box with the included audio cable.
* Turn on the Microphone.
* Connect Background Music. You can pair your smart phone or other BT-enabled audio devices via BT to play background music; or connect any input audio source to the "IN" port of the receiving box with cable.
* Start the Karaoke software on the phone or on other input audio devices, enter in the Karaoke inerface and operate according to the prompt.

Specification:
Brand Name: Docooler
Model: K18
BT Version: V2.1
Working Distance: 10m / 33ft
Working Frequency: UHF 500MHz-980MHz
Sensitivity: 58.7dB
Frequency Range:50Hz-18KHz
SNR(signal-to-noise ratio): >70dB
Distortion: ≤0.5%
Built-in polymer battery: 600mAh
Charging Voltage: DC 5V
Charging Time: 3-4 hours
Using Time: 4-5 hours
Color: Black with Gold
Main Item Size: 19.5 * 4.3 * 4.3cm / 7.67 * 1.69 * 1.69in
Main Item Weight: 94g / 3.31oz
Package Size: 24.3 * 14.0 * 5.0cm / 9.56 * 5.51 * 1.96in
Package Weight: 275g / 9.68oz

Package List:
1 * Docooler K18 Microphone
1 * D3.5mm Audio Cable
1 * 3.5 female and RCA male joint
1 * Receiving Box
1 * USB Charging Cable
1 * English / Chinese User Manual