USB 3.0 Hub USB HUB Splitter Multi USB 3.0 Hub Multiple 4/7 Port Hub Splitter With Power Adapter Computer Accessories Hub For PC Color:4 Port USB Cable - Coutinuous Voice Calling: Up

- Coutinuous Voice Calling: Up to 280 mins

and the accident evidence can be easily saved

The real-time temperature control technology: the only exclusive research and development chip

can detect all common 1-8000MHZ frequency bands

Size: about 27

USB 3.0 Hub USB HUB Splitter Multi USB 3.0 Hub Multiple 4/7 Port Hub Splitter With Power Adapter Computer Accessories Hub For PC Color:4 Port USB Cable - Coutinuous Voice Calling: UpSPECIFICATIONS Brand Name: GRWIBEOU Certification: CE Choice: yes Function1: usb 3. 0 hub,usb hub splitter Function2: usb 3. 0 4 ports hub Function3: usb 3. 0 7 ports hub Function4: usb hub with individual switch port Function5: Hub Splitters With Power Adapter Function6: Hub For PC Function7: usb hub for windows xp vista 7 8 10 and Mac OS Funtion: None Hign concerned Chemical: None Interface Type: USB 3. 0,USB 3. 0 Model Number: USB Hub,USB 3. 0 Hub