K31 Pro Professional Button Magnetic Lavalier Microphone
The K31 Pro Professional Button Magnetic Lavalier Microphone is a compact wireless microphone system designed for mobile recording, vlogging, interviews, livestreaming and social media content. It features 2.4GHz adaptive frequency-hopping wireless transmission, an omnidirectional microphone, 48kHz sampling and a magnetic button-style design.
Compact Wireless Audio for Mobile Creators
Improve your recordings with the K31 Pro Wireless Lavalier Microphone. Its compact button-style transmitter can be attached discreetly to clothing, making it suitable for videos, interviews, presentations and live broadcasts.
2.4GHz Wireless Transmission
The K31 Pro uses 2.4GHz adaptive frequency-hopping wireless transmission and offers a stated range of up to 100 metres in unobstructed line-of-sight conditions.
Omnidirectional Pickup
The omnidirectional pickup pattern is designed to capture voice from around the microphone, making the K31 Pro suitable for conversations, vlogs, tutorials and presentations.
48kHz Audio Sampling
With a 48kHz sampling rate and a stated 20Hz–20kHz frequency response, the K31 Pro is designed for everyday video and voice recording applications.
Magnetic Button Design
The compact transmitter features a magnetic attachment design that allows it to be positioned on clothing without the bulk of a traditional lavalier microphone.
Portable Charging Case
The charging case can recharge two transmitters more than three times according to published specifications, making it convenient for mobile recording sessions.
K31 Pro Specifications
| Feature | K31 Pro |
|---|---|
| Product Type | Wireless Lavalier Microphone |
| Model | K31 |
| Microphone Style | Button Magnetic Lavalier |
| Wireless Transmission | 2.4GHz Adaptive Frequency Hopping |
| Pickup Pattern | Omnidirectional |
| Frequency Response | 20Hz – 20kHz |
| Sampling Rate | 48kHz |
| Transmitter Dimensions | 29.7 × 29.7 × 14.26 mm |
| Charging Case Dimensions | 81.3 × 50.2 × 39.8 mm |
| Transmitter Charging Time | Approx. 1.5 hours |
| Charging Case Charging Time | Approx. 2 hours |
| Transmitter Battery Life | Approximately 4–5 hours |
| Charging Case Capacity | Charges two transmitters more than 3 times |
| Transmission Distance | Up to 100m unobstructed; up to 50m obstructed |
| Attachment | Magnetic |
| Applications | Recording, vlogging, interviews, livestreaming and content creation |





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