LeaningTech Portable Wireless Bluetooth 4.1 Audio Music Receiver Adapter with 3.5mm Stereo Output Supports hands-free calling: receiving and answering phone calls Connect 2 Bluetooth devices at the same, Connection range up to 30 feet Embedded li-ion battery for convenient recharging, operation time up to 6 hours after fully charged Smart LED displays the power and Connection status Compatible with car Stereos, home Stereos/speakers, headphones and most mobile devices with 3.5mm aux port includes: Micro USB charging cable, 3.5mm Audio cable, user manual