Scosche BTAXS2-XSSP1 Wireless Bluetooth Handsfree Car Receiver with Built-in Mic. Hands-free calling and Bluetooth audio car kit plug directly into your vehicle's aux input allowing for hands-free phone conversations through your vehicle's speakers. The unit's voice announced caller ID says the number of the person calling. You get one-touch voice dialing using most Bluetooth cellular phones with Siri and Google Assistant voice commands that are available through iPhones and Samsung phones. DPS echo cancellation feature ensures a crystal clear conversation even in noisy vehicles. The Motor Mouth III is 2.1 Bluetooth compliant and supports profiles HFP and A2DP. The unit will run wirelessly for roughly 6 hours between charges and the included charging port offers you another USB-C charging port in your vehicle. This Bluetooth audio car kit opens so many hands-free wireless possibilities in any car with just an aux port. Allows you to easily pair a smart device in any car for wireless music streaming.