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Small rectangular metal voice recorder with four built-in microphones and USB port

Rendmmsn

Rendmmsn KP666 128GB voice recorder

SKU CH-ADV0-H1QEK

Records 100 hours of WAV audio with four microphones capturing 360° sound, plus 40 hours battery life and voice-to-text at 98% accuracy

  • Battery runtime40 Hr
  • Audio recording formatWAV
  • Storage media8 GB
  • Recording time100 Hr
  • Host interfaceUSB
  • ConnectionUSB

Storage 128GB

  • Four microphones capture sound from every angle
  • 1536 KBPS PCM recording reduces noise for clear audio
  • Voice activation and 24 hour continuous recording suit long sessions
  • Built-in speech-to-text converts recordings with over 98 percent accuracy
  • 40 hour battery life and 128 GB storage support extended use

Rendmmsn KP666 128GB Voice Recorder

The Rendmmsn KP666 is a new portable dictaphone built with a dual-microphone metal shell and four omnidirectional microphones for 360° sound capture. It records in WAV format at 1536KBPS PCM with noise reduction and stores files on 128GB of internal media. A built-in 18mm dynamic speaker allows direct playback.

Suitable for meetings.

Voice activation, bookmarks, variable speed playback and A-B repeat help reviewers navigate recordings. The 98% speech-to-text function converts audio to text for faster documentation. Buyers who need removable memory cards or wireless file transfer should look at other models.

128GB internal storage decides capacity

The fixed 128GB media holds roughly 100 hours of recording and cannot be expanded. Battery life reaches 40 hours per charge via the 5V 1A USB connection. The unit weighs 79g and measures 99.4 by 38.3 by 13.3mm.

How it compares

Measured against everything we stock in Digital Audio & Voice Recorders, at today’s prices. Recalculated every night.

Price $47.99
Typical for this category: the median of 321 items is $49.99.

Specifications

Product
Brand nameRendmmsn
Model nameRendmmsn KP666 8 GB
Storage
Storage media8 GB
Audio & video
Audio recording formatWAV
SpeakersBuilt-in 18 mm round dynamic speaker
Ports & slots
Host interfaceUSB
ConnectionUSB
Power
Battery runtime40 Hr
Battery packBuilt-in lithium battery
External power supply5 V 1A
Size & build
Product dimensionsL*W*T: 99.4 × 38.3 × 13.3 mm
Product weightAbout 79g
In the box
In the boxVoice recorder*1
USB cable*1
More details
Recording time100 Hr

Other versions of this model

4 more in the same range

Questions about this item

Which capacity should I choose, 128 GB or the smaller 8 GB version?

The 128 GB model holds far more recordings; both share the same 1536 kbps PCM quality, voice activation, line-in, and 40-hour battery.

What does the 1536 kbps PCM figure mean for everyday recordings?

It captures stereo audio at high bit-rate with noise reduction, giving clear, detailed files ideal for meetings and interviews.

How does the USB connection limit file transfers in practice?

The USB link lets you copy the 100 hours of WAV recordings to a PC or smartphone at standard USB speeds.

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