1. DSP anti howling chip, rejects beep sound
2. Bluetooth version 5.3, easy pairing
3. 3-inch internal magnetic speaker with high volume
4. 1500mAH lithium battery with long time work
5. Mainstream USB-C interface, charge easy
For Amplifier
Charging current: DC5V-1000mA
Charging time: About 2h
Bluetooth Version: V5.3
Loudspeaker: 4Ω, 5W
Work time: About 7h
Battery capacity:1500mAH
Transmission mode: 2.4G
Frequency response: 100Hz-13kHz
For Clip on Microphone
Charging current: 100mA
Charging time: About 1.5h
SNR: >85dB
Directivity: Uni-direction
Work time: About 7h
Battery capacity:110mAH
Sensitivity: -42+2dB
Receiving distance: ≥10M