Play Bluetooth Wireless Audio Through Your Cars FM Radio Music Streaming, Hands-Free Calls, GPS Directions, and More Works with All Bluetooth Enabled Phones, Tablets, and Laptops Solid FM Transmission Strength Noise-Reducing Microphone 3 High-Speed Charging Ports 15W USB-C Fast Charge USB Drive-Compatible Space-Saving Design Large Digital Display Oversized Buttons for Easy Control Color-Changing LED Rim Lighting DC Input: 12-24V Bluetooth Version: 5.0 Max Output: 15W USB-C: 5V 3.1A (15W Max) USB-A1: 5V 3.1A (15W Max) USB-A2: 5V 1A (5W Max) Shared Output: 5V 3A Max Protection: Short Circuit/Overcharge 1.89 x 1.77 x 3.35 in 1.76 oz