【Compact and Powerful】Weighing only 5 grams, this mini wireless lavalier microphone is ultra-portable, perfect for on-the-go recording in various scenarios. 【Professional Audio Quality】Delivers CD-quality audio with a maximum sound pressure level 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. 【Long Battery Life】Offers 6 hours of continuous use, extendable to 30 hours with the charging case. 【Stable Wireless Transmission】Provides a 328-foot range with automatic pairing and stable signal for synchronized audio and video. 【AI Voice Modulation】Supports three AI voice options for added versatility and fun interactions. 【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: <10dBm Distortion: <0.1% 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℃ Type-C 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: <10dBm Distortion: ≤0.1% Frequency response: 20Hz-20kHz Sensitivity: -36dB Sampling rate: 48kHz Bit depth: 16bit Signal-to-noise ratio: >80dB Audio output: Type-C digital output Power supply: external device power supply Weight: 2.5g Dimensions: 23.2 x 22.4 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 22.5 mm Operating temperature: 0℃~ +50℃ Storage temperature: -20℃~ +50℃