1.Wireless:BT 4.2
2.Pickup: Capacitance
3.Reverb Mode: Echo reverberation
4.Speaker Output Power: 15W*2 Loudspeaker:3inch
5.Frequency Range:100Hz-10kHz
6.SPL:> 75dB 1KHz THD< 1%
7.Charging Voltage: DC 5V
8.Charging Time: 3-5hour
9.Using Time: 3-5 hours
10.Speaker Battery:2000mah/7.4V
11.Wireless Microphone Battery: 1800mah /3.7V