Product name: USB Extension Cable (Male/Female) with 303 Rocker Switch Key benefits - Instant power control without unplugging: built-in 303 rocker switch lets you turn USB-powered devices on or off with a single press, so you can restart devices or cut power quickly without pulling cables. - Prevents unnecessary wear and saves energy: switch off peripherals when not in use to reduce standby power draw and avoid repeatedly inserting and removing connectors. - Compact and easy to install: short 0.3 m (30 cm) extension is ideal for tabletop use or tight spaces where a full-length cable would be cumbersome. What it is and how it works - Inline USB 2.0 A Male to USB 2.0 A Female extension with an integrated 303 rocker switch placed in the cable. - Plug the male end into a USB port and connect your device to the female end. Use the rocker switch to interrupt or restore the 5 V power supply to the attached device. Technical specifications - Connector types: USB 2.0 A Male and USB 2.0 A Female - Switch: 303 rocker switch (inline) - Cable conductor: 22 AWG - Total cable length: 0.3 m (30 cm) - Power support: 5 V, 2 A - Function: on/off power control for low-power USB peripherals Compatibility and performance - Designed for USB 2.0 A devices that draw up to 2 A at 5 V. Suitable for low-power peripherals such as LED lamps, fans, dash cams (driving recorders), and bedside lamps. - Maintains standard USB 2.0 connectivity for power and basic USB connections where applicable. Not intended to increase data transfer rates beyond USB 2.0 specifications. Typical use scenarios - Driving recorder: Install between a car USB power source and a dash cam to switch power off when parked without unplugging the cable. - Desk or bedside lighting: Control an LED desk lamp or bedside lamp with one press to avoid unplugging or reaching behind furniture. - Small cooling fan or USB accessories: Easily turn a USB fan or other low-power accessory on and off at a workstation or bedside. Installation and usage tips - Plug the male connector into a USB power source and attach your USB device to the female connector. - Use the rocker switch to cut or restore 5 V power. Do not exceed the rated 2 A current. - Designed for convenience and short-run extension, not as a long cable replacement. What it does not change - Does not alter USB 2.0 data rate or increase charging speed beyond the connected power source and device limits. - Not intended for high-current charging applications above 2 A. This USB Extension Cable (Male/Female) with 303 Rocker Switch provides a simple, reliable way to add an inline on/off switch to USB-powered devices while keeping the original product specifications and functionality intact.