Feature:1. DUAL PURPOSES: This device is both an voice recording blocker and a portable mobile power supply, making it convenient and practical.2. VOICE BLOCKING: Unique ultrasonic interception, intercept voice information, mixes high and low frequency audio source, and can not be recovered.3. BUILT IN BATTERY: The recording interceptor has a built in 4000mAH battery, ensuring long term use, making it easy to use anytime and anywhere.4. REMOTE CONTROL: The recording interceptor supports wireless remote control, with a distance of 150 meters and a 300 degree anti recording direction.5. APPLICABLE SCENE: This anti recording power supply is suitable for business interview, individual comm, confidential conversation, and other scenarios.Specification:Item Type: Voice Recording BlockerModel: F10Remote Control Battery: 1 x 18mAh Alkaline Battery (built in battery)Blocker Battery Capacity: 1 x 4000mAH 3.6V Battery (built in battery)Charging Voltage: 5V 1000mAOutput Voltage: 5V 1000mAStandby Current: 10mAShutdown Current: 60uAAnti Recording Sound Pressure: 120DB/30cm (maximum)Anti Recording Direction: 300 Degree (maximum)Remote Control Method: 433 Wireless Remote Control, Distance 1-50 Meter / 3.3-164ft.Package List:1 x Anti Recording Power Supply1 x USB Cable1 x Remote Control1 x User ManualNote:Do not use other plugs higher than 110V specification.