10 Best
Ultrasound Recording Devices
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Product Highlights- 3. remote controlling: comes with a wireless sensor remote controller, which can realize remote control of device switches and operations.
- 4. function: protect your privacy and prevent eavesdropping.
- 2.working principle: ultrasound interference.
- 1.product name: anti-recordering/anti-eavesdropping equipment.
- 5. other function: working as power bank.
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Product Highlights
- Versatile functionality: serving as both an anti recording device and a portable power bank, our voice recording blocker effectively prevents recording on smartphones, voice recorders, and surveillance devices.
- Remote control capability: equipped with a wireless remote control, our voice recording blocker enables remote device switching and operation within a range of 1 to 50 meters, providing convenient control at your fingertips.
- Unique ultrasound interference: this voice recording blocker utilizes groundbreaking ultrasound interference technology to disrupt and mix high and low frequency sources, making voice information from any recording device effectively unrecoverable.
- Easy operation: with simple one button operation, the voice recording blocker can be uses. it offers three output directions, two adjustable modes, and a wide shielding angle of 300 degrees for comprehensive coverage.
- Wide range of applications: the voice recording blocker is suitable for various scenarios, including business interviews and confidential conversations, ensuring the protection of sensitive information.
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Product Highlights
- 【large capacity audio recorder】the outsmart gadgets voice recorder has 16gb capacity, enough space for up to 400 hours of recording. it can also be used as an mp3 player (holding up to 7500 songs) and a portable usb drive aided by long lasting battery life.
- 【voice activated recording】when voice-activated recording is turned on, the voice recorder device will automatically start recording when surrounding sound decibel changes. voice activation is turned off by default (please see the user manual to turn-on).
- 【professional recording device】digital voice recorder comes with high-quality recording microphones, a dsp noise reduction system, and built-in voice detection function. providing you with a full, clear, and natural sound. the device will auto-detect voice to prevent recording silence, wasting valuable device space.
- 【easy to use & simple design】cutting edge metal alloy design w/ one-key operation to ensure you don’t miss any important information. press once to start recording and press again to save. each recording is named w/ a timestamp, making it easy to locate your files. multi-platform compatibility allows you to use our device with any platform and you’re also able to listen...
- 【great gift & customer service】this audio recorder allows writing while recording which makes it a perfect gift for students, lawyers, business- people, teachers and more. it is ideal for recording meetings, memos, lectures, interviews and more. don't hesitate to contact our customer support team with any questions or issues you may have.
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Product Highlights
- 【no need to worry about insufficient memory】128g storage capacity is 4 times that of 32g, no longer worry about the recorder being unable to save important recording files due to insufficient memory.
- 【built-in magnet】the recorder has a built-in magnet, which can be adsorbed on magnetic metal for easy use.
- 【long battery time】the voice recorder has a built-in large-capacity battery, which can record continuously for 300 hours after being fully charged.
- 【dsp intelligent noise reduction】 built-in dsp intelligent noise reduction chip, the noise reduction effect is increased by 20%.
- 【easy to use】 connect the computer and the recorder through a data cable, and you can view the recording files without cumbersome operations.
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Product Highlights
- 📁【25 hours long battery time & 64gb large capacity】📁 the digital voice recorder is equipped with 64gb large capacity, which can store up to 750 hours of recording files. built-in a high-quality 180mah rechargeable battery, fully charged in 2 hours, it can record continuously for 25 hours, playback for 15 hours+. can charge while recording. why not make telele voice reco...
- 📁【pcm intelligent noise reduction & 384kbps hd stereo】📁professional voice recorder with playback (listen with earbuds on the recorder) can record up to 384kbps hd sound quality, and adopts the latest pcm triple digital intelligent noise reduction technology, which can automatically reduce the environmental noise over 90%; coupled with our exclusive omnidirectional stere...
- 📁【telele recorder & stylish luxurious gift💗】📁the audio recorder size is 8*26*76mm / 0.3*1*3in, weight 37g. made of high-quality titanium alloy with high drop resistance and durability. besides, the unique leaf shape and smooth lines look stylish, exquisite and luxurious, making it an ideal gift to lawyer reporter student friends ect
- 📁【one-key operation & fast forward/rewind button】📁 one-key can start or stop/save the recording. there are no complicated steps, easy to use, you can record important content naturally immediately! fast forward: when the earbuds is connected, long press the previous button on the wire remote control. fast rewind: long press the next button. it is ideal for lecture, mee...
- 🎁【1-year warranty & otg function】🎁 otg: using included type-c/micro-usb adapter, you can directly view/delete files on android phone. telele voice recorders have passed strict factory quality inspections before shipment, please feel free to purchase. in addition, provide 1 years warranty and lifetime support, if you have any questions, please contact us. 💗 thanks for vi...
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Product Highlights
- 【dsp digital noise reduction & hi-fi recording quality】featuring the latest dsp digital noise reduction technology and high-sensitivity large caliber condenser microphone, our voice recorder with playback delivers hi-fi recording quality. the upgraded hi-fi audio source decoding chip restores the original sound for an ultra-clear recording without the need for headphone...
- 【one-button recording & 360°omnidirectional audio pickup】the one-button recording and 360° omnidirectional audio pickup make recording effortless. the equipped 360° professional audio pickup microphone optimizes noise according to the recording scene and balances the volume independently. the device also features one-button save and one-button pause, making it easy to use.
- 【64gb large memory storage capacity & long-lasting battery life】introducing the 2023 upgraded smart digital voice recorder with an impressive 64gb storage capacity and long-lasting battery life. with support for 128gb expansion, it is perfect for a variety of recording needs. the rechargeable battery provides up to 20 hours of continuous recording, making it ideal for l...
- 【auto save & easy file management】our audio recording device also supports automatic saving under low battery, ensuring that your recording files are not lost. easily transfer your recording files to a computer/laptop with the included usb cable or use the card reader for added convenience.
- 【multi-function & simple to use】 powerful functions and convenient accessories, including a-b repeat/cyclic playback and support for wav/wma/mp3 music format, make this a versatile device. you will receive a smart digital voice recorder, 64gb memory card, earphone, card reader, and user manual. experience the perfect recording solution with our upgraded smart digital vo...
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Product Highlights
- 【record clear voice record】: equipped with a sensitive omnidirectional microphone and the latest pcm ten core triple noise reduction chips, our digital voice recorder captures a clear voice when recording a conversation with less background noise. with the one-button control, you can easily start recording or stop to save and avoid messy combination processes.
- 【easy to use】: slide on the power switch, the indicator light flashes and goes off, the recorder starts recording. slide off the power switch to save. slide on/off to start/save a recording. supports recording while charging. it supports wav formats
- 【64gb large memory】: this usb flash drive look voice activated recorder can store 750 hours of audio recordings with time and date stamp, which is very convenient when you need to use one of these files in court.
- 【effective voice activation recorder】after activating voice-activated mode, the voice activated recording device will start recording when it detects noise above 45db, and stop recording if no noise is detected over a certain period of time. a great feature to save storage space and avoid invalid recording gaps. ideal for recording conversations, lectures, courses, meet...
- 【long battery life】: our high-quality voice recorder with built-in rechargeable li-ion battery allows you to store 750 hours of recordings and lasts up to 24 hours when fully charged (2 hours recharge). charge this device quickly by connecting it directly to a computer or usb power outlet. it can continue recording during charging (except when connecting a pc for data t...
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Product Highlights
- [easy operation] - lanyard hole design, easy to carry, one-key switch lock, synchronized timestamp, one-key, listening, segmentation, dynamic noise reduction, low battery storage, password protection.
- [size]-83x35x13 (mm), file encryption technology, with automatic encryption function, as long as the user sets a password, it will be automatically encrypted. without the password, the recorder cannot be opened to ensure the security of the recorded data.
- [intelligent one-key intelligence], power-on, power-off save! dsp digital noise reduction technology restores vocal clarity more effectively, greatly reduces ambient noise, and allows users to hear more clearly.
- [hd voice recorder] - the body adopts zinc alloy + abs, the distance is about 5-10 meters, continuous 58 hours, time stamp synchronization, built-in time chip, automatic time synchronization function, the file is in time units (year, month, day, hours, minutes, seconds) named.
- [applicable people]——business people, students, music lovers, prosecutors, reporters, clerks, training instructors
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Product Highlights
- ✅ 【long battery life & auto-save】📁 tctec digital voice recorder has an impressive battery that lasts for up to 25 hours of continuous recording, ideal for lengthy sessions. you can record with confidence, knowing that you won't have to worry about your recorder shutting down mid-section. this recording device is equipped with an auto-save file protection feature that en...
- ✅ 【voice activation & usb-c connection】📁 with its voice activation feature, tctec digital voice recorder allows you to start recording automatically when it detects sound, this feature not only saves time and energy but also ensures that you never miss an important moment. in addition, it also comes with a convenient bundle that includes a clip-on microphone, headphones...
- ✅ 【64gb massive memory, 750 hours audio storage】📁 with an impressive 64gb of memory, tctec digital voice recorder offers an enormous capacity for storing up to 750 hours of audio files. a perfect tool for reliably storing audio for professionals, students, journalists, and anyone who needs to record in their daily work and life.
- ✅ 【easy to use & modern design】📁 designed with both form and function in mind, tctec digital voice recorder boasts a modern and elegant design that is both stylish and functional. the high-quality materials ensure durability and longevity, making it a durable tool for capturing audio. its intuitive interface and user-friendly controls make it super easy to use, whether ...
- ✅【perfect gift for your loved ones】📁 looking for a memorable gift for your loved ones who need to capture important audio recordings? whether you're buying it for a journalist, a student, a professor, or a professional, this digital voice recorder is the perfect gift option. whether your loved ones are pursuing their education, their career, or their passion, this digit...
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Product Highlights
- N1 has a built-in high-capacity battery. when the smart recording function is turned on, it can record continuously for up to 500 hours, which solves the trouble of frequent charging for users.
- Compared with traditional recorders, n1 supports sound activated recording function, we independently designed the switch button to simplify the user's operation to the greatest extent.
- Sttwunake n1 has practical functions, simple to use, and supports up to 128g of memory (in the products of each capacity, we have put in a dedicated memory card, please rest assured to buy).
- Sttwunake’s design team has fully considered the use scene of this recorder. a magnet is installed inside the recorder and a detachable clip is provided on the outside.
- Every detail of n1 is well thought out. the original intention of the design is to help users record the sound they need in the easiest way and adapt to the needs of multiple scenes.
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