Description:Portable Bluetooth speaker with wireless microphone function, the quickest way to get music feast start.Main Features:3 in 1: bluetooth speaker + wireless mic + singing record and play (works with sings APP)Microphone: ideal for all vocal applications from singing to speech with faithful sound or echo depend on your needsBluetooth stereo speaker: two channel surround sound, portable and good sound quality, enjoy the music feasts at everywhereAluminium alloy body, textured and durableGreat for sound recording or processing in music or any other audio applicationHigh capacity battery ( 2000mAh ), lasts for 5 - 6 hours singing Specification:Audio pick-up: capacitor Output: 10mW ( earphone output ), 3W ( speaker output ) Frequency range: 48Hz - 18KHzSPL:110dB Reverberation: echo Battery: built-in polymer lithium battery Charging supply: DC 5V Type: Wired/Wireless Connection: Wireless Bluetooth: Support Impedance: 56ohm Cable Length (cm): 32 Package weight: 0.530 kg Product size (L x W x H): 21.00 x 8.00 x 3.50 cm / 8.27 x 3.15 x 1.38 inches Package size (L x W x H): 29.00 x 12.00 x 12.00 cm / 11.42 x 4.72 x 4.72 inches Package Contents: 1 x Wireless Microphone, 1 x Charging Cable, 1 x Audio Cable, 1 x English User Manual, 1 x Box