• 【Intelligent Noise Reduction】Built-in high-sensitivity omnidirectional microphone with 58dB signal-to-noise ratio precisely captures vocals and delivers pure sound quality even in noisy environments.

• 【2.4G Ultra-Low Latency】Self-developed 2.4G wireless transmission protocol ensures real-time transmission with less than 20ms delay for perfect audio-video synchronization during live streaming and recording.

• 【Ultra-Long Battery Life】320mAh large-capacity battery with charging case provides approximately 24 hours of combined battery life, eliminating power anxiety with support for charging while using.

• 【Compact Invisible Wearing】Single unit weighs only 6.7g with lightweight mini design that can be clipped on collar, pocket, or hat brim for discreet wearing without stealing focus.

• 【Plug-and-Play Wide Compatibility】Automatic frequency pairing when opening the case requires no additional operations, with stable connection up to 20 meters range.

Specifications:

• Model: QY90
• Material: ABS
• Transmission mode: 2.4GHz Wireless
• Operating distance: 20m (barrier-free)
• Frequency response: 20Hz-20KHz
• Sensitivity: -38dB
• Sampling rate: 48KHz
• Signal-to-noise ratio: 58dB
• Built-in battery capacity: 50mAh (Microphone), 320mAh (Charging Case)
• Battery life: 4-5 hours (Single use), 24 hours (With charging case)
• Charging time: 1.5 hours
• Audio input: Omnidirectional microphone
• Audio output: Type-C
• Power supply: 5V
• Transmission delay: <20ms
• Pickup frequency range: 100Hz-10KHz
• Working current: ≤30mA
• Charging cycles: 5 times
• Connection speed: 1 second
• Microphone dimensions: 25mm diameter × 38.45mm height × 17.66mm thickness
• Receiver dimensions: 26mm × 33.8mm
• Charging case dimensions: 57.44mm height × 38mm diameter