-21%New
Professional 32GB Digital Voice Recorder Pen – HD Noise-Reduction Audio Dictaphone
₹8,000.00 Original price was: ₹8,000.00.₹5,499.00Current price is: ₹5,499.00.
F50 Mobile Privacy Defender – Anti Audio Recording & Voice Recorder Blocker with 8000mAh Battery
About This Item
- 8000mAh high-capacity battery
- Up to 3m interference distance
- High-sensitivity anti-recording performance
- 80 dB built-in alarm
- Compact and portable design
- ABC + Wood construction
- Suitable for privacy-sensitive environments
₹28,000.00 Original price was: ₹28,000.00.₹22,000.00Current price is: ₹22,000.00.
SKU:
ASF50
Category: Anti-Spy & Security Devices
Description
Buy ASF50 Mobile Privacy Defender – Anti Audio Recording & Voice Recorder Blocker with 8000mAh Battery
The ASF50 Mobile Privacy Defender is a professional anti audio recording device that helps to create a more private environment by disrupting the function of nearby audio recording devices. It is ideal for conferences, offices, boardrooms, confidential meetings or discussions, negotiations, interviews and any other situation where privacy is important. With its portable design and powerful 8000mAh battery, the ASF50 Mobile Privacy Defender is convenient to use and has long battery life after each charge.
With its privacy-protection technology, the ASF50 Mobile Privacy Defender is able to disrupt the operation of nearby voice recorders, mobile phones and other audio-recording devices within a functional range. It can be part of a wider counter-surveillance and audio privacy solution, ideal for business meetings and other confidential conversations. The ASF50 Privacy Defender is easy to use and ideal for both professional and personal privacy protection.
The combination of portable design, battery capacity and privacy-defending technology is integrated into a compact device. With the 8000mAh battery capacity, the ASF50 Privacy Defender has extended battery life and can be used regularly on a daily basis. If you are looking for a mobile phone privacy device, a voice recorder blocker or an anti-recording device, the ASF50 is ideal for any situation where you wish to prevent unauthorized audio recording. Always remember to use privacy-protection equipment according to the law.
- Powerful 8000mAh Battery: The F50 features a high-capacity 8000mAh battery, providing convenient portable operation for privacy-focused applications.
- 3-Meter Interference Distance: Designed with an interference distance of up to 3 meters to help disrupt nearby audio recording devices.
- High-Sensitivity Performance: Its high-sensitivity design is intended to provide effective interference against unwanted audio recording within the operating range.
- 80 dB Audible Alarm: Equipped with an 80 dB alarm for an audible alert and added convenience during operation.
- Compact Portable Design: With dimensions of 182 × 97 × 50 mm, the F50 is easy to carry and suitable for offices, meetings and other privacy-sensitive environments.
- ABC + Wood Construction: Built using ABC + Wood material and finished in black, combining a practical design with a professional appearance.
- 3-Hour Charging Time: The device has a stated charging time of approximately 3 hours for convenient everyday use.
- Professional Privacy Application: Suitable for use as an anti audio recording device in meetings, discussions, offices and other environments where protection against unwanted recording is required.
Note: The anti-recording interference distance and performance can vary depending on the recording device, environment, distance and other factors.
Specifications:
| Attribute | Value | Attribute | Value |
| Type | Anti-Audio Recordings | Model Number | ASF50 |
| Alarm Decibel | 80 dB | Voltage & Current | 15V / 5A |
| Battery Type | AA Battery | Product Name | ASF50 Anti Recording Device |
| Material | ABC+WOOD | Battery Capacity | 8000mAh |
| Sensitivity | High | Color | Black |
| Charging Time | 3h | Interference Distance | 3 m |
| Size | 182 × 97 × 50 mm | Selling Unit | Single Item |
| Single Package Size | 18.5 × 10 × 5 cm | Single Gross Weight | 0.650 kg |
| Lead Time | 1-4 Weeks | Quantity Lead Time | To be negotiated |

Frequently Asked Questions (FAQ)
1. What is the F50 Mobile Privacy Defender?
The F50 is an anti-recording privacy device designed to help protect privacy by interfering with nearby audio recording devices. The Alibaba listing identifies it as a device for blocking phone calls, voice recorders and covert video recording.
2. What is the interference distance of the F50?
The stated interference distance is up to 3 meters, depending on the surrounding environment and operating conditions.
3. What is the battery capacity of the F50?
The F50 is specified with an 8000mAh battery, providing a high-capacity portable power source.
4. How long does the F50 take to charge?
The stated charging time is approximately 3 hours.
5. Can the F50 block voice recorders?
The product is marketed as an anti-recording device designed to interfere with nearby voice-recording equipment. Actual performance can vary according to the recording device, distance and surrounding environment.
6. Can the F50 block mobile phone calls?
The Alibaba listing markets the F50 as capable of blocking phone calls. However, actual cellular interference can depend on network technology, frequency bands, location and other environmental factors.
7. What is the size of the F50?
The stated product dimensions are 182 × 97 × 50 mm, making it relatively compact for a portable privacy device.
8. What material is used to make the F50?
The product specification lists ABC + Wood as the construction material.
9. Where can the F50 be used?
It can be considered for privacy-sensitive environments such as meeting rooms, offices, boardrooms, confidential discussions and negotiations, subject to applicable laws and regulations.
10. Is the F50 portable?
Yes. Its compact 182 × 97 × 50 mm dimensions and rechargeable 8000mAh battery make it designed for portable use.
11. Does the F50 have an alarm?
Yes. The supplied specifications list an 80 dB alarm decibel level.
12. Is the F50 suitable for professional privacy protection?
The F50 is marketed for privacy and anti-recording applications and can be used as part of a broader counter-surveillance and privacy-protection setup. Users should ensure its operation complies with local laws and regulations.
Important: Devices that interfere with cellular, wireless or other radio communications may be restricted or regulated in some jurisdictions. Check applicable laws before operating the F50, particularly when using it to interfere with mobile communications.
Additional information
| Weight | 0.650 g |
|---|
Shipping & Delivery


🚚 Shipping Policy
- Fast Dispatch – We aim to process and ship your order within 24–48 hours of confirmation (except Sundays and public holidays).
- Reliable Delivery Partners – Orders are shipped through trusted courier services across India and internationally.
- Estimated Delivery Time –
- Metro Cities: 3–5 working days
- Other Indian Locations: 5–7 working days
- International Orders: 7–15 working days (may vary with customs clearance)
- Tracking Made Easy – Once shipped, you’ll receive a tracking ID to follow your package in real time.
- Secure Packaging – All products are packed discreetly and carefully to ensure safety and privacy.
- Delivery Delays – In rare cases of courier delays, natural calamities, strikes, or festive rush, delivery may take longer. We’ll keep you updated.


❌ Cancellation Policy
- Cancel Before Dispatch – Orders can be cancelled within 12 hours of placing them or before dispatch (whichever is earlier).
- How to Cancel – Simply email us at contact@shop.spyeyetech.com or call 9899945145 with your order ID.
- After Dispatch – Once an order is shipped, it cannot be cancelled. However, you may check our Returns & Refunds Policy for further assistance.
- Customized/ Special Orders – Orders for customized or specially requested items cannot be cancelled once confirmed.
- Refund Timeline – Eligible cancellations will be refunded to the original payment method within 7–10 working days.
REQUEST A QUOTE
📩 Post Your Requirement
Tell us your exact requirement and our experts at Spy Eye Technology will get back to you with the best solution and pricing.
✔ Secure Inquiry | ✔ Fast Response | ✔ Professional Support
Related products
360 Degrees Full Coverage Anti-Recording Audio Recording Anti Voice Recording Device
Compact 2km License-Free Walkie Talkie | Long Battery Life & Crystal Clear Audio (1 Pair)
SKU:
SSI-S999S
Ear and Booster Set Bionic Ear Sound Wave Collector
SKU:
SSI-Bionic
Mobile Privacy Defender Anti Audio Recording Device 8000mAh
SKU:
SETARF50
Safety Inspection Hand Held Metal Detector
SKU:
SETMD300















