Pickup: Capacitive Output Power: 5W * 2 (Speaker Output)

Frequency response range: 30Hz ~ 20KHz

Maximum sound pressure level:> 115dB 1Khz THD <1%

Impedance (speaker): 2 * 4Ω

Reverb mode: Reverb echo sound

Transmission method: Wireless Bluetooth

Power supply: 4.2V lithium polymer battery

Battery capacity: 2600mah

Life time: 5 ~ 8H

Charging: DC5V / 0.8A Charging time: 3 ~ 4H

Microphone material: space aluminum "