there are dual DSP noise reduction chips inside the sound card voice changer to avoid the influence of current noise
responsive
a storage device needs to be connected U disk or TF card)
Battery type: built-in 14400mAh battery
Product size: 125x76x41mm
RF-V43 B Style IP67 Waterproof GPS + LBS + WiFi Pet Locator Pet Collar Tracking Device For North America/South America(Black) DELUX there are dual DSP noise1. Common functions: Positioning, one way audio, GPS fence,WiFi fence, navigation 2. Special functions: Sensor lights, step counting, finding pet alarm, IP67 waterproof 3. Network: 4G+3G+2G 4. Positioning type: GPS, WiFi, LBS 5. Standby time: 60h 6. Language: English, Chinese 7. Application scenarios: Pet dog, pet cat, pet pig, pet rabbit etc, working dog: Hound, sniffer dog etc, special crowd (dementia, disability, blind people etc). 8. Frequency