NEWEST Harman VM700 Professional UHF Wireless Microphone System with Bluetooth Built-In Rechargeable Battery and Color Light with Voice Control

FEATURES:Using the UHF ultra-high frequency band, compared to the traditional VHF frequency band, the interference is smaller and the transmission is more reliable.The effective distance of an open environment can reach over 100 meters.Supports Bluetooth audio transmission connection to mobile phones for music transmission, supports playback pause, and switching between up and down tracks.USB playback, supporting full decoding of MP3, WAV, WMA, FLAG, AAC, and APE formats.Multiple audio output interfaces, supporting earphone playback, making it more convenient for mobile phone to sing.Voice controlled colorful ambient light, with no less than 9 display modes, 15 levels of adjustable brightness, and built-in AGC automatic gain control.The transmitter and receiver are equipped with a built-in power supply and use an 18650-Lithium battery, with a battery life of up to 6-8 hours.The dynamic advanced pickup head has high sensitivity and broadband response, which can display the original timbre of male and female voices.Precision circuit design can meet normal use under harsh temperature conditions.Special power saving mode to save battery power.  RECEIVER SPECIFICATIONS: Working Current: Frequency Range: 470-960MHzFrequency Stability: Dynamic Range: >105dBFrequency Response: 40Hz-15KHzAudio Output: 0-400mVSpurious Suppression: >80dB Mirror Suppression: >80dBSensitivity: 50dBuVReceiving Distance: 100MInput Voltage: DC 5V 1AInput Interface: Type-C USBBattery Specification: 3.7V 18650 Lithium Battery (Rechargeable)  TRANSMITTER SPECIFICATIONS: Frequency Range: 600MHz-940MHzFrequency Response: 60Hz-180KHzNumber of Channels: 100 ChannelsDynamic Range: >100dBAudio Output: 0~200mvDistortion: ≤0.5%Signal to Noise Ratio: ≥110dB Emitter Current: Transmitter Voltage: Using 18650 Lithium Battery 3.7VReceiver Current: Receiver Voltage: AC100~240V, 50/60Hz, 10W