wireless version:v5.0
wireless fidelity:a2dp/avrcp/hsp
output power:5w
s/n :>90db
battery capacity :3.7v/1200mah
driving unit 52mm/4ω
charging voltage:dc5v/ 500ma
charging time :3-4h
playing time : 7-9h
tf support format :mp3 wav
transmission distanced :8-10m
special features
1.Support 32g tf card playback
2.Voice assistant
3.Surround sound effect
4.Tws pair ,can pair two device