8GB - 350 SPY USB Digital Voice Recorder 25 Days Standby Battery - Multi Mode (Up to 288 hrs recording time)

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Advanced Digital Hidden Voice Recorder Product Information:

  • 8GB Memory Capacity 
  • High Quality Device
  • Voice-activation mode
  • Holds up to 288 hours of recordings
  • Continuous Recording Mode
  • USB Flash Drive
  • File Storage Device
  • Long-time recording
  • Sensitivity Adjustment
  • Two recording qualities: High Quality and Super High Quality
  • Date and Time stamp
  • Up to 28 hours Battery life (Continuous Recording Mode)
  • Up to 25 days standby time (Voice Activation Mode)
  • Automatic Level Control (ALC)
  • Recommended** And for More General Information Visit Our Voice Recorders Help Section

Our customers get a full demo of the products & tested at time of purchase for quality assurance.

The Worlds Most Powerful Flash Drive Voice Recorder Is Here!

Our best flash drive recorder just got better! The new 350 is an upgraded version of our popular 300 Voice Recorder. New features include the following: upgraded body style, double the memory, 28 hours continuous recording (vs 15 hours), and time/date stamp (Windows only). It is hands down the most powerful and feature packed flash drive voice recorder on the market. Please note: Always use a Safe high quality charger for charging such devices that have overcharge protection/Overheat protection and more.

The 350 has all the capabilities of most flash drive recording devices combined into one the best voice recorders on the market today. Easily switch between voice activation and continuous recording modes with a flip of a switch. In addition to the amazing 25 day standby battery life in voice activation mode, it can also record while plugged in for virtually unlimited battery life.

Not only can it record audio, it also functions as an ordinary flash drive and can store other files/documents. When you are ready to listen to what you have recorded, simply plug it in to MAC or Windows computer to instantly view/listen to the files.

Main Features

Voice Activation & Continuous Recording Modes
Set to record only when audio is detected; the battery will last up to 25-DAYS. In continuous recording mode your battery will last up to 28-hours.

Time/Date Stamp (windows only)
Comes with a software program to set time/date on your recordings so you know when each one took place.

HD Quality Audio
Files are recorded in MP3 format and can be played back in any audio program including iTunes or Windows Media Player.

New Sleek Design
Looks like an ordinary flash drive with an upgraded appearance.

Records While Plugged In + 25 day Battery standby Time
Use the built-in battery as your power source or plug into any High Quality and Over Charge Protection capable USB power source or the optional USB charger for unlimited recording power. Takes only 2 hours to fully charge and you can also use a Power Bank to extend the Battery life of the device for even longer recordings. 

288 hours Audio Capacity
No need to worry about running out of space, this recorder can hold days of audio!

8GB Memory
With double the memory as the 300, can hold 288 hours of audio files! This recorder can hold days of audio!

MAC & Windows Compatible
Works on any MAC or Windows computer. Just plug it in and it functions as a USB storage device.


  • Memory Capacity: 8GB
  • Maximum Recording Capacity: 288 hours
  • Battery Life(continuous): 23-28 hours
  • Battery Life(voice activation): 5 - 25 Days
  • Charging Time: 2hrs
  • Size: 2.5 X .39 X .75 Inches
  • Weight: 14.7g
  • Automatic Level Control (ALC)
  • Audio Format: MP3
  • Audio Quality: 64 Kbps
  • High Quality Mode: ~Recording Capacity-288 hours
  • Super High Quality: ~Recording Capacity-144 hours
  • Storage: Internal 8GB
  • Battery Life: 
    • High Quality: 28 hours continuous recording
    • Super High Quality: 23 hours continuous recording
  • Battery Type: Lithium-Polymer
  • Battery Voltage: 3.7v
  • Battery Capacity: 180 mAh
  • Battery Type: Rechargeable
  • Battery Location: Inside unit
  • Voice Detection level: 60 dB
  • Dimensions: 2½" x 1" x ½"
  • Color: Black

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