What devices can be used with charger.

What the power source is.

Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.

Describes where charger can be used, e.g. auto, indoor.

This principle refers to the basic design of the headphones i.e. the way the headsets couple to our ears and whether the back of the headphone part of the headset is open to the outside world or sealed against it. It can be in the ear (earbuds), on the ear (superaural) or over the ear (circumaural) and Open, Closed or Semi-open.

The measurement or extent of something from side to side.

The distance from the front to the back of something.

Height of the product

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

The minimum and maximum temperatures at which the product can be safely operated.

Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.

The material from which a thing is or can be made e.g. wood, plastic.