Micro-USB connectors are used on HTC (Wildfire, One X etc), Samsung (S2,S3,S4,S5 etc), Blackberry i.e.Torch / Curve and various Nokia cellphones and other smartphones.

Some Compatible phones listed on pdf at Micro-USB Charging Devices & SmartPhones but any Micro-USB Device will work with this cable.

Use this cable to exchange data between cellphone and PC, Sync calendar, email and other items or to charge the cellphone or device from any PC USB port, Car charger USB or 220v power adapter with USB port.

The cable has a Male USB 2.0 Type A connector on the one side and a USB 2.0 male Micro-USB connector Type B on the other side.

To get an understanding of USB Connectors Wiring and Data Transfer Capabilities please see the blog at USB 1.1 vs USB 2.0 vs USB 3.0,3.1, 3.2 Gen1/Gen2 vs USB 4.0 | USB C vs Thunderbolt 3 vs Thunderbolt 4 Specifications

This cable is commonly used with the chargers below:

Fast Charging Wireless Phone Charger Stand | Smartphone Wireless Charging

Slimline 220 Volt 2 Amp Wall Socket to USB 5 Volt Power Adapter for Smartphones