Features:

Frequency response: 80Hz-18KHz

Signal-to-noise ratio: >70dB

Bluetooth transmitter power:

Bluetooth transmitter frequency range: 2.402GHz-2.480GHz

Bluetooth transmitter modulation: ?/4-DQPSK, 8-DPSK, GFSK

Charging time:Use time: >3 hours

Charging socket: Type-C

Battery: 3.8V 2600mAH

Rated supply rate: 6W x 2

Dimensions: 76 x 73.5 x 218.3 (mm)

What's in the box
1 x Wireless All in one Karaoke Microphone