The YESIDO KR20 is a 2.4GHz wireless lapel microphone system with a Lightning plug receiver and two clip-on transmitters, designed for iPhone audio recording.
Why you'll like it
- 2.4GHz wireless — low-interference transmission vs Bluetooth
- Two transmitters included — dual lapel mic system for interviews and two-person recording
- 25ms latency for near-real-time audio sync with video recording
- 48KHz/16-bit audio with 98dB SNR for clear, high-fidelity recording
- 7 hours per transmitter charge 750mAh charging case for top-ups
Designed as
The KR20 plugs directly into the iPhone Lightning port and receives audio wirelessly from up to two clip-on transmitters simultaneously — removing the need for a long cable from the mic to the phone.
Key features
- Model: KR20
- Material: ABS
- Chipset: AI7131A + AI7187C
- Frequency Range: 2.4GHz
- Sampling Rate: 48KHz 16bit
- Transmission Delay: 25ms
- Charging Voltage: DC 4.8V-5.4V
- Charging Current: TYPE-C 5V/1A (MAX)
- Charging Case Battery: 750mAh (Lithium Polymer)
- Microphone Battery: 90mAh (Lithium Polymer)
- Charging Time: Approx. 1.5 hours
- Usage Time: Approx. 7 hours
- Microphone Sensitivity: -38 dBFS (Silicon Microphone)
- Working Current: 58-65mA
Best for
Voice recording, video creation or calls with a compatible device.
What's included
- 2 x Transmitter
- 1 x Receiver
- 1 x Charging Case
- 1 x Charging Cable
- 1 x English Instruction Manual
Compatibility and setup
Receiver connection: Lightning plug (iPhone only). Wireless: 2.4GHz (not Bluetooth). Chips: AI7131A (TX) + AI7187C (RX).
Why choose the YESIDO KR20?
YESIDO KR20 brings together 2.4GHz wireless — low-interference transmission vs Bluetooth; Two transmitters included — dual lapel mic system for interviews and two-person recording.
Which iPhones does this work with?
The KR20 connects directly via the Lightning port on any compatible iPhone. It works independently of Bluetooth and requires no app.
Can I record two people at once?
Yes. The system includes two clip-on transmitters, so you can simultaneously capture audio from two speakers—ideal for interviews and dual-person recording.
How long is the battery life?
Each transmitter battery lasts up to 7 hours. The included 750mAh charging case fully recharges both transmitters in approximately 1.5 hours.
Does this need app setup or Bluetooth pairing?
No. Simply plug the receiver into your iPhone's Lightning port and clip on the transmitters.
| Specification | Details |
|---|---|
| Brand | YESIDO |
| Model | KR20 |
| Receiver Connection | Lightning plug |
| Wireless Frequency | 2.4GHz |
| Chips | AI7131A (TX) + AI7187C (RX) |
| Audio Quality | 48KHz / 16-bit |
| SNR | 98dB |
| Latency | 25ms |
| Noise Cancellation | AI on-transmitter |
| Transmitter Battery | 90mAh each (up to 7 hours) |
| Charging Case Battery | 750mAh |
| Case Charge Time | Approx. 1.5 hours |
| Karaoke Mode | Yes |
| Transmitters Included | 2 |
| Receiver Included | 1 |
| Compatibility | iPhone (Lightning port) |
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