MQ-U300 - sound activated voice recorder hidden in USB stick Movie
MQ-U300 - sound activated voice recorder hidden in USB stick

  • Customer rating:
    Average: 4.5 / 5 Based on 7 reviews
  • Delivery from £ 3.50
    Delivery servicePrepaymentCash on Delivery
    UPS delivery service £ 3.50 £ 8.50
    See shipping costs
  • Ask Expert: +44 (020) 3290 1199
    Sales representative and Consultant
    John Paine


    +44 (020) 3290 1199

MQ-U300 - sound activated voice recorder hidden in USB stick

  • Sound activated voice recorder in a USB stick
  • Very long operation time - 15h
  • The function of voice activation
  • Sound activated recording up to 25 days
  • Very good sound quality

Ask for availability

Add email


£70.00tax inc.

Add to cart
  • Print

More info


Product unavailable!
Order a similar product: Pocket voice recorder.

MQ-U300 - sound activated USB stick voice recorder

MQ-U300 is one of the latest pieces of camouflaged equipment in our offer – sound activated voice recorder capable of operating up to 25 days in standby mode.


MQ-U300 is one of the newest camouflaged devices in our offer – well-made, generating clean recordings and featuring unlimited operation time. Discreet sound activated voice recorder not allow anybody to realise that the lying pendrive is in fact a spy appliance, making it a perfect tool to eavesdrop on the office during our absence, control a child or check the partner's loyalty. MQ-U300 hidden voice recorder offers not only great quality of recordings, unlimited operation time and high functionality, but also very solid and aesthetic finishing. Ideal both for personal use (monitoring of offices, an apartment, or a car) and for professionals in their daily operational work. It may also serve as a portable bank of memory. The storage capacities of the sound activated voice recorder are impressive. The recordings of the recorder hidden in USB might last up to 144 hours.

  • Voice recorders


    Very good sound quality is ensured by a high-quality microphone, able to pick up sounds from a distance of up to 10 meters.

  • Capacious memory


    All information is saved in the device built-in 4 GB memory which is capable of storing about 144 hours of audio recordings.



    Sound recording in the most popular format for music files, which can be played in any popular media player.

  • Pendrive function


    It serves as portable memory allowing to store any kind of data.

  • Discreet control


    The lanyard clip is a button switching the device on or off, and setting sound activated recording mode.

  • Sound activated recording


    Extremely convenient function saving space in the device's memory. After detecting appropriate intensity of sounds in the surroundings, the voice recorder starts recording which then is automatically turned off in moments of silence.

  • Operation time


    • unlimited - after connecting to USB port the device is constantly powered and can operate continuously
    • 25 days - standby mode
    • 15 hours - continuous operation on the built-in battery
  • Power supply


    • built-in lithium-polymer rechargeable battery
    • from USB port
  • Saving in MP3 format

    Discharge indicator

    Flashing LEDs indicate that the voice recorder's battery is discharged. This function is inactive during sound recording so as not to attract attention of the public.

Product video



Esonic is a leader in producing camouflaged devices for recording sounds from surrounding. The flagship products are voice recorders hidden in various devices (USB memory devices, pens, MP3 players) and recorders recording mobile phone conversations. Functionality , simplicity...


Specification of MQ-U300 - sound activated voice recorder
Built-in memory4 GB
Recording timeup to 144 h
Sound activated recordingyes
Recording scheduleno
  • built-in
  • mono
  • range up to 10 m
Bandwidth30Hz ~ 11kHz
Saving formatMP3
Bit rate64 kbit/s
A/C transducer16 bit
Power supply
  • built-in 180 mAh Li-Poly rechargeable battery
  • power supply: 5V / 1A DC USB
  • recording when connected to the power supply!
Operation time on rechargeable battery
  • continuous recording: 15 h
  • standby in voice activation mode: 25 days
Charging time2 h
Interface of the voice recorder hidden in USB stickPC USB 2.0 High Speed
Supported operating systemsWindows ME, 2000, XP, Vista, 7, 8 and Mac OS X, Linux
Dimensions68 × 10.5 × 20 mm
Weight13.2 g


  • MQ-U300 - sound activated voice recorder hidden in a pendrive
  • User manual


  • Uniwersalny zasilacz sieciowy USB
    Universal USB AC adapter
    • Universal USB AC adapter
    • Standard connector
    • Allows you to connect a USB cable
    • Direct connection of the USB interface
    • AC power: 110 - 240 V
    £3.30tax inc. Add to cart

Reviews (7)

By Jasper H.

The customer has rated the product but has not posted a review, or the review is pending moderation

By Ayaan G.

Comment : choose this USB stick if you cannot afford to be caught red-handed. Defnitely worth its price
Report abuse

By Ali F.

Comment : Let me just add that If you cannot decide on the colour - take the white one! :D
Report abuse

By Alfred P.

Comment : super idea looks and works like a normal pendrive totally discreet works even for three weeks on standby
Report abuse

By Charlie J.

Comment : I got MQ-U300 recorder doubting its capabilities, but now I can’t imagine a day at work without it. Easy to record, easy to download the content
Report abuse

By Oliver S.

Comment : Quite useful I must admit! I never thought that a pendrive can be this sneaky ;)
Report abuse

By Sean S.

Comment : Very good quality. And very usefull
Report abuse

Customers who bought this product also bought: