Geeoo S20 Wireless Karoke Bluetooth Speaker

Specifications:
Stereo type:Bluetooth speaker
Track system:1.1 mono
The control mode: Press the key
Bluetooth version: Bluetooth V5.1+EDR
Support Bluetooth profile:A2DP,AVRCP.HSP.HFP
Bluetooth working frequency:2.402-2.480GHZ
Receiving sensitivity:-80dBm
Bluetooth range: >10M
frequency response:60Hz~20K Hz
Speaker type:66mm 4 8W + bass diaphragm
Internal battery:1800mAh 6.66Wh
Built-in battery for microphone:14500 500mAh
Shutdown storage time:About 1 year
Lighting time:About 16 hours (no playback)
Music time:About 6 hours (pink noise)
Microphone usage time: about 15 hours
Charging time:About 2-3 hours
Microphone charging time: 1-2 hours
The battery cycle life is more than 300 cycles and the capacity is > 80%