RENMAX Multi Socket Extension Cord with USB Charging Port. USB Charging Hub: It can detect the number of charging devices automatically and adjust the maximum output current and power, 5VDC output 2.1Amp, with separate On-Off switch and Light indicator. 3- Nos. of Universal Sockets. Convenient & Portable 2.0 meter power cord makes it more flexible, get easy access to place that’s hard to reach, extend the portable power strip to your computer table, office desk or other place easily where power outlets or usb charging port is required.