Connects to any existing speaker/home music system with an audio input jack and makes your existing system Bluetooth compatible. Easy! Includes 3.5mm-to-3.5mm audio cable. Supports Bluetooth v3.0. Supports profile A2DP. Supports Enhanced Data Rate. Wireless range: 33 feet. 3.5mm audio output. Micro-USB port for battery recharge. Built-in rechargeable lithium ion battery. Battery life: 6 hours audio.