--- product_id: 105265816 title: "N9 Wireless GSM Listen Audio Bug Surveillance Device Quad-band listen Two-way Call Back Audio Voice Detect SIM Card Spy Ear Bug Alarm Trigger Minitor" brand: "ksrplayer" price: "€ 105.10" currency: EUR in_stock: true reviews_count: 5 category: "Ks Rplayer" url: https://www.desertcart.gr/products/105265816-n9-wireless-gsm-listen-audio-bug-surveillance-device-quad-band store_origin: GR region: Greece --- # Dual Knowles sisonic mics, 5m+ clear range Quad-band GSM for global reach 800mAh battery with 5h continuous use N9 Wireless GSM Listen Audio Bug Surveillance Device Quad-band listen Two-way Call Back Audio Voice Detect SIM Card Spy Ear Bug Alarm Trigger Minitor **Brand:** ksrplayer **Price:** € 105.10 **Availability:** βœ… In Stock ## Summary > 🎧 Stay one step ahead with stealthy, crystal-clear audio surveillance. ## Quick Answers - **What is this?** N9 Wireless GSM Listen Audio Bug Surveillance Device Quad-band listen Two-way Call Back Audio Voice Detect SIM Card Spy Ear Bug Alarm Trigger Minitor by ksrplayer - **How much does it cost?** € 105.10 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/105265816-n9-wireless-gsm-listen-audio-bug-surveillance-device-quad-band) ## Best For - ksrplayer enthusiasts ## Why This Product - Trusted ksrplayer brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Extended Battery Life:** Up to 5 hours of non-stop monitoring with 5 days standbyβ€”spy longer without interruptions. - β€’ **Instant Acoustic Alerts:** Auto-calls your phone when sound exceeds 45dBβ€”never miss a moment of critical audio evidence. - β€’ **Crystal Clear Audio Capture:** Dual advanced microphones pick up conversations within a 5-meter radius with minimal distortion. - β€’ **Plug & Play Sim-Ready Design:** Comes with a free PAYG SIM card and auto-answer feature for effortless, discreet monitoring out of the box. - β€’ **Seamless Global Surveillance:** Quad-band GSM compatibility ensures you stay connected anywhere, anytime. ## Overview The N9+ Wireless GSM Audio Bug is a compact, quad-band surveillance device featuring dual high-fidelity microphones and an 800mAh battery for up to 5 hours of continuous use. Designed for professional-grade audio monitoring, it auto-answers calls and triggers alerts on sound detection, making it an essential tool for discreet evidence collection and remote listening across all major GSM networks. ## Description Features 1.Work frequency:850Mhz/900Mhz/1800Mhz/1900Mhz 2. GSM voice/Audio monitor Bug. Compatible with All GSM SIM card. 3. Prominent sound quality makes spying more reliable 4. Voice activation: Can call back to your phone automatically when sound nearby is up to 45DB 5. You can send message command or cancel voice activation function by SMS "1111 or "0000"" 6. Ultra tiny dimension 4.3cm x 2.2cm x 1cm 7. Power Supply: 24 hours Non-stop 8. Microphone Range: 5~7 metres radius 9. Working Temp:-40~50'C 10. Responding Frequency: 1Khz~18Khz 11. Battery standby time: 3-5 days (If Acoustic Alarm function Off standby time: 7-10 days) 12. Working Time: 3-5 hours Specifications 1.Open the back cover and insert nano Sim card into the holder and device automatically boots. boot light is 3 seconds. after the lights go off you can dial the sim card number 2.Installation: Please confirm the GSM network signal strength. 3. Number of settings: call the sim card number with mobile phone or telephone then hang up for setting success 4. Voice feature: Send 1111 message to the sim card number then sound activation is open; Send 0000 message to the sim card number then sound activation is closed 5. The flash of red light indicates the SIM card is correctly inserted. SIM will complete initialisation and maintain in stand-by status and the light will be off. 6. Dial the SIM card number after 5 rings hear the sound around device. 7. Charging method: When the device is charging Red light is flashing until fully charged and Red LED light stays ON. Package Includes 1x Wireless GSM SIM Micro Spy Ear Bug 1x USB Charging Cable 1 x User Manual Review: Fit for purpose good quality - Fit for purpose good quality Review: Never got it to work - Never got it to work and finding information online was impossible In the recycling ## Features - Two way GSM Audio Bug / Listening Device / Security Monitor Great for collecting proof / evidence. Battery work time up to 5 hours non stop airtime (remote listening mode). Battery standby up to 5 days if not used. Dual microphone can hear speech over 5 metre radius and is crystal clear with minimal distortion or echo. Compatible on all major mobile phone networks and supplied with blank O2 sim card to use out of box. - Unique super- slim design, place it at home or office. You can listen to the sound of its surrounding wherever you want, it is the latest SIM surveillance equipment available with advanced modifications compared to old N9 model. The N9+ has larger battery, advanced microphone and high gain antenna. No other model has this modification as it is done here in UK before it had standard 400mA battery, standard electret microphone capsules and standard antenna. Now it has 800mA battery, Knowles sisonic microphone capsules and high gain antenna. - Supplied with FREE pay as you go SIM card ready to use out of box, place it in this device. Once you call this number, this device will auto answer, and it is working like a phone with auto answer without speaker. Operates silently without being noticed or any fuss, quick and simple solution to your audio surveillance needs. - This device allow you to spy on anyone in any place, Acoustic alarm function automatically calls your phone when sound is heard. Battery standby 3-5 days / work time 3-5 hours. When the battery is depleted, it starts charging 3 minutes after it is connected to 5v phone charger (not included) supplied with charge lead to connect to any type USB2.0 5v charger outlet. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01DG8ZIAO | | Box Contents | Battery | | Brand | KSRplayer | | Brand Name | KSRplayer | | Compatible Devices | Smartphone | | Connectivity technology | Cellular | | Customer Reviews | 3.6 out of 5 stars 14 Reviews | | Enclosure Material | Plastic | | Item Dimensions | 40 x 30 x 10 millimetres | | Manufacturer | KSRplayer | | Manufacturer Part Number | N9+ Advanced | | Material | Plastic | | Network Connectivity Technology | Cellular | | Product Features | Wireless | | Special feature | Wireless | | Specific Uses For Product | Audio Monitor, Spy Bug | | Specific uses for product | Audio Monitor, Spy Bug | | Supported Application | Voice Calling | | Supported application | Voice Calling | | UPC | 708191627258 | ## Product Details - **Brand:** KSRplayer - **Connectivity technology:** Cellular - **Special feature:** Wireless - **Specific uses for product:** Indoor Surveillance, Outdoor Monitoring, Evidence Collection - **Supported application:** Alarm ## Images ![N9 Wireless GSM Listen Audio Bug Surveillance Device Quad-band listen Two-way Call Back Audio Voice Detect SIM Card Spy Ear Bug Alarm Trigger Minitor - Image 1](https://m.media-amazon.com/images/I/61ZUQhSREQL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fit for purpose good quality *by M***N on 28 September 2019* Fit for purpose good quality ### ⭐ Never got it to work *by A***2 on 3 November 2019* Never got it to work and finding information online was impossible In the recycling ### ⭐⭐ Be careful not as good as it seems *by P***. on 7 March 2020* Working at first then all it does is drop phone signal supplied by 02 ordered a EE sim see if that's any better if not I won't buy again only heard it working once out of 5 days --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/105265816-n9-wireless-gsm-listen-audio-bug-surveillance-device-quad-band](https://www.desertcart.gr/products/105265816-n9-wireless-gsm-listen-audio-bug-surveillance-device-quad-band) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-21*