Solution: AB
Speaker: 45 magnetic internal magnetic
Battery: 052025 300 mAh
Main materials: ABS plastic
Color: black orange blue gray green
Functions: TF card, U disk playback, speakerphone, AUX audio, bluetooth
Distance: accessible distance of 10 meters
Voltage: DC5V
Number of speakers: 2
Bluetooth version :5.0
Battery: 2000 mah
Watt: 10 w
Certification: ROHS