JVC KDR820BT Wireless Bluetooth Dual USB-CD Receiver MOS-FET 50W x 4 (20W RMS x 4) TI/Burr-Brown 24-bit DAC 3-Band Parametric iEQ Bluetooth Wireless Technology (USB Bluetooth adapter included) Phone Book Access Profile, Phone Book Transfer, Hands-Free Call, Audio Streaming, Text Message Receipt Notification, Compatibility Check Mode, Connects 2 Phones