1. Anti- recording : 13-hole transmitter protection, 360 degree all-round interference coverage, a safety guard at your side; 2. Small and portable, anti-recording mobile power supply: It is both an anti-recording device and a convenient mobile power supply, which can replenish power anytime and anywhere 3. Ready to use after power on, simple and convenient operation: It can interfere with the recorded sound in high frequency band, and the machine is silent and lightless in actual environment 4. Original ultrasonic interference technology: It can interfere with information of any recording device, and mix highand low frequency sound sources. information cannot be restored after interference processing 5. Wide application: business interviews, personal exchanges, confidential conversations. Battery capacity: 9000mAH/3.7V Application: hotels, car dealerships, conference rooms, cars, locker rooms, etc. Power mode: USB charging / built-in lithium battery Charging voltage: 5V/1000mA Laser detection distance: 0.1-15 meters Charging power supply: DC5V/1A Antirecording Angel: 300 degree Size: 139x67x27 mm Weight: 300g Color: Black Material: ABS Package Contents: 1 x Recording Jammer 1 x Data Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.