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Bluetooth：V5.0,
Protoco:A2DP AVRCP ACDTP HSP HFP,
Two channel stereo audio
Power: 40W
Frequency:80Hz～20KHz,
Speaker:66MM/round（2.5 inch） 4Ω,
Battery：2200mAh x4(8800mAh),
Music time：10 hours
Chargin port: USB C, DC5V/2A
Output/ charge phone: 5V/1A
Chargin time: 6-8 hours
Unit Size：250MM*103MM*103MM,
Accessories: Audio cable, charging cable
