D27

Product Overview

D27 anti-recording jammer features a speaker-style appearance for natural desktop placement. It generates ultrasonic noise to interfere with recording devices, and supports voice-control mode — automatically activating jamming when human voice is detected and pausing when silent.

Key Advantages

• Speaker-imitated design, blends naturally on a desktop
• Self-developed ultra-silent technology, compact form factor
• Effectively blocks mobile phone recording, video recording, and voice recorders
• Supports working while charging; bilingual manual included
• Ideal for tea tables and small meeting tables; multiple units recommended for large tables

Specifications

Item	Parameter
Ultrasonic Transducers	27
Interference Distance	2–6 meters
Interference Angle	270°
Operation Mode	Button + Remote + Voice-Control
Display	Indicator LED
Gear	2 Gears (High / Low)
Battery Capacity	2600 mAh
Charging Voltage	16.8V / 1A
Charging Time	2.5 Hours
Battery Life (High Gear)	2.5 Hours
Housing Material	ABS
Color	Black
Net Weight	493 g
Gross Weight	750 g
Product Dimension	195 × 81 × 48 mm
Package Dimension	235 × 163 × 68 mm

Packing List

• Color Box × 1
• Main Unit × 1
• Power Adapter × 1
• Remote Control × 1
• User Manual × 1

Notes

• Ultrasonic signal is directional — keep the emission area unobstructed.
• A faint sound on startup is normal; do not aim toward human ears or pets.
• For large spaces, deploy multiple units at different angles.
• Mild surface heating during prolonged operation is normal.