Bluetooth: V5.3
Output power :5W
Frequency response: 160Hz~20kHz
Impedance: 4Ω
Sensitive: 80dB±2dB S/N Ration: ≥80dB TDH+N: ≤10%
Input: 5V/1A
Battery:3.7V/800mA polymer
Charge time:2.5h(5V/1A)
Play time:7hours
Product size::Ø50*51mm
Product weight:111g