XINGLAN Wireless Adapter for Home Audio Music Streaming Sound System & Bluetooth Car Kits Hands-free iPhone Bluetooth Receiver Black Connect two Bluetooth devices at once; freedom to enjoy music or answer phone calls Simple operation, normal speaker become hands-free Bluetooth speaker magically, portable for vehicle mounted systems. Talk with clarity: Hands-free calling with the built-in microphone makes catching up with friends a breeze Working Time: 8 hours non-stop music playing. Charge Time: 1.5 hours to charge it fully. Charge Port: Micro USB. Output: 3.5mm Stereo