Model: C20 Plus Portable Karaoke Speaker New 
Bluetooth version: 5.0
Battery capacity: 3.7V 1000mAh (speaker) 500mAh (microphone)
SPEAKER: 52MM 4Ω 5W
Effective Distance: ≥10M
Playing time: Speaker ≥ 2~4H, microphone ≥ 2~4H
Charging time: 2~3H for the speaker ≥, 2~3H for the microphone≥
Input/Output: DC 5V⎓ 1A
Material: ABS+UV+electroplating
Color: Pink, beige, light green, white
Function: Bluetooth, TF card playback, call mode
Voice change: KTV, original voice, male voice, female voice, baby voice, magic sound