Point of sale device for mobile computing device

A point of sale (POS) device, the POS device comprising:

• a housing;
• a payment instrument reader at least partially within the housing, wherein the payment instrument reader is configured to read payment instrument information from a payment instrument in response to receipt of the payment instrument at a read area of the housing;
• a first fastener of the housing;
• a second fastener of the housing, wherein the second fastener is configured to secure the housing to a mount, wherein the mount is configured to couple to a surface of an environment;
• a cradle of the housing, wherein the cradle is configured to receive a mobile computing device while the housing is secured to the mount using the second fastener, wherein the first fastener is configured to secure the mobile computing device within the cradle while the housing is secured to the mount using the second fastener, wherein the mobile computing device is configured to cover at least a portion of the second fastener while the cradle receives the mobile computing device;
• and
• a connector coupled to the payment instrument reader and extending into the cradle, wherein the connector is configured to couple to the mobile computing device in response to receipt of the mobile computing device into the cradle while the housing is secured to the mount using the second fastener, wherein the connector is configured to convey the payment instrument information from the payment instrument reader to the mobile computing device.