【Compact and Powerful】Weighing only 5 grams, this mini wireless lavalier microphone is ultra-portable, perfect for on-the-go recording. 【Professional Audio Quality】Delivers CD-quality sound with a maximum SPL of 120dB, ideal for high-volume environments. 【Advanced Noise Reduction】Features 3-level AI noise cancellation with DSP technology, ensuring clear audio in any situation. 【Extended Battery Life】Offers 6 hours of continuous use, expandable to 30 hours with the charging case. 【Stable Wireless Transmission】Provides a 328-foot range with automatic pairing and synchronized audio-video. 【AI Voice Modulation】Supports voice changing with male, female, and original voice options for creative content. 【Versatile Application】Suitable for vlogging, live streaming, interviews, online courses, and more. Specifications: Transmitter: Transmission mode: 2.4GHz digital frequency band Signal modulation: Gaussian frequency shift keying Polarity mode: omnidirectional Antenna type: PIFA Operating distance: 100m (obstacle-free) RF output power: Distortion: Frequency response: 20Hz-20kHz Sensitivity: -36dB Sampling rate: 48kHz Bit depth: 16bit Signal-to-noise ratio: >80dB Audio input: built-in condenser microphone Built-in battery capacity: 65mAh Power supply: built-in lithium battery power supply/charging box contact charging Battery life: about 6 hours Charging time: about 1.5 hours Weight: 5g Dimensions: 31 x 15 x 16.4mm Operating temperature: 0℃~ +50℃ Storage temperature: -20℃~ +50℃ Lightning receiver: Transmission mode: 2.4GHz digital frequency band Signal modulation: Gaussian frequency shift keying Polarity pattern: Omnidirectional Antenna type: PIFA Operating distance: 100m (obstruction-free) RF output power: Distortion: ≤0.1% Frequency response: 20Hz-20kHz Sensitivity: -36dB Sampling rate: 48kHz Bit depth: 16bit Signal-to-noise ratio: >80dB Audio output: Lightning digital output Power supply: external device power supply Weight: 3g Dimensions: 23.2 x 22.6 x 10.1mm Operating temperature: 0℃~ +50℃ Storage temperature: -20℃~ +50℃ Charging box: Built-in battery capacity: 260mAh Charging time: about 2 hours (5V 2A) Charging interface: Type-C interface Number of cycles available: more than 1 time (2*transmitters) Weight: 29g Dimensions: 67.4 x 48.4 x 22.5mm Operating temperature: 0℃~ +50℃ Storage temperature: -20℃~ +50℃