Telephony refers to the technology and methods used for the transmission of voice and other forms of communication over long distances. It encompasses the equipment, protocols, and systems used for telephone communication.
Power Adapter Port - 65W - 1 Pack - 1 USB - 2 USB Type-C - For Laptop, MacBook Air, MacBook Pro, Tablet PC, Smartphone, USB Type A Device, USB Type C Device, iPhone, iPad - 2 m Cable - 120 V AC, 230 V AC Input - 3.3 V DC, 11 V DC, 5 V DC, 9 V DC, 12 V DC, 15 V DC, 20 V DC, 4.5 V DC Output - 3.25 A - Black
Port Connect Power Bank - For Tablet PC, Smartphone, GPS Device, Headphones - 30000 mAh - 2.10 A - 5 V DC Output - USB Type-C Connector - 3 x USB Ports - LCD Screen, LED Indicator, Compact, Robust
Port Connect Power Bank - For Smartphone, Tablet PC, Headphones, Smartwatch - 20000 mAh - 2.10 A - 5 V DC Output - USB Type-C Connector - 4 x USB - LCD Screen, Compact, Lightweight
Port Designs 907005. Battery capacity: 10000 mAh, Battery technology: Lithium Polymer (LiPo), Fast charging technology: Power Delivery. Number of USB Type-A output ports: 1, Number of USB Type-C ports: 1. Wireless charging. Product color: Black