Bluetooth version :V5.0
Bluetooth Name: C500
Rated power: 5W
Connection method : Wireless Buetooth/ TF Card/audio input
Battery capacity:800MAH /3.7V/With protection circuit
Charome voltage : DC 5V-1A
Playback time: 3.5-4 hours
Charging time :3-4 hours
Frequency response range : 120hz-20khz
Bluetooth linear distance : 10M