In addition to hands-free calling, it has four music playback functions: Bluetooth, USB, TF card, and AUX! It's incredibly convenient because you can use them according to your needs. The 1.3-inch display is easy to see while driving. Compatible with most smartphones with Bluetooth functionality. It also automatically connects to the paired Bluetooth device remembered when the power is turned on. ※Note※ There may be some iOS devices that are not compatible. In such cases, you may need to upgrade or downgrade. Used only a few times. Operation confirmed. Please understand that this is stored by an individual. Will ship within 24 hours. May change shipping method from Rakuraku to Yuyu, or vice versa.