Feature 1VHF universal wireless microphone in hand, karaoke speech, plug and play, wider frequency range, less interference, easily perfect display your voice. 2Adopts strict control of electronic circuit, rich and full sound can captured from source directly in front of the microphone. 3For all activities such as karaoke, live performances, meetings, churches, schools, auditoriums, parties, etc. 4USB receiver supports a variety of devices, wide device support applications, device with USB port and microphone interface, can connected to use. 5Stable signal remote reception, constant frequency within 50m without noise, strong antiinterference capacity, wireless receiver with receive range of 50m(without strong interference)Condition: Item Type: MicrophoneModel: V16UMaterial: ABSColor: BlackInput2.2-3 VWorking Current90 mAMaximumWorking Frequency268.85MhzFixedSensitivity-50 +/- 3dBTotal Harmonic Distortion: <0.7SNR>110 dbDelay Time: < 5msFrequency Response: 50 Hz~18 kHzPower Supply: Each Microphone Need 2 x AA Battery(Not Included)Working Temperature: -10-50Weight: Approx. 345g .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x Microphone(Not Included Battery)1 x USB Receiver1 x Audio Cable1 x AdapterNoteIt cannot be used directly for PC or laptop. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.