If you want a karaoke machine that's truly compact and lightweight, something like this 4-in-1 kids karaoke microphone could be worth a look.

It looks somewhat like a regular microphone, however, it's got built-in speakers, a recorder, LED lights, and more. It'll be your child's new favorite pal without a doubt.

Recorder
Your child can also record their songs and connect to a computer or other device to save or share those songs.

Bluetooth Speaker
The head comes with a denoising feature to ensure the clarity and crispness of sound. Just connect this mic to your phone and you've got a mobile speaker.

Selfie Function
Press the power button to change photo mode after the "beeps" sound and connect to "shutter", then open the phone camera, you can press the "V+" or "V-" button to take a photo.

Changeable Magic Voice
Offer Magnetic male voice, Sweet female voice, child voices, and monster Sound, by hold the "REC" button to switch different voices as you like.

Colorful LED Lights
The LED lights will flash along to the rhythm, and become brighter as the sound gets louder. That could encourage a little voice to find its strength!

Long Battery Lifespan
It comes with a 1800mAh rechargeable battery that works long-lasting 5-8 hours. This is the microphone to use when your kid is in the mood for a singing marathon at home, in the yard, and virtually anywhere she goes!

Specification:
Material technology: ABS plastic aluminum alloy
Battery capacity: 1800mAh rechargeable battery
Charging Time: About 5-8 hours
TF support music format: MP3 WAV
TF maximum capacity: 32GB (No including)
Bluetooth version: 5.0
Packing size: 265*77*82mm
Single belt packing weight: 420g
Product color: rose gold, blue

Packing:
1 x Karaoke Microphone
1 x USB Charging cable
1 x Audio cable
1 x English manual