Net Weight: 83g
Size: 60 ＊60 ＊44mm (off state)
Speaker: Magnetically shielded 40mm / 4 Europe / 2 watt
Speaker Output Power: 2.5W
Rated Power: 2.0W
Frequency range: 100hz-20khz
Degree of signal to noise: ≥ 80dB
Deviation: ≤ 1%
Playback time: up to 11 hours
Battery Capacity: 300MAH
Charge voltage: 4.2V ± 0.05V
Charging time: 2.5 hours