Planet Audio iLive Bluetooth Headphones: * Supports Bluetooth v3.0 + A2DP * Built-in microphone * 3.5mm audio input * Digital volume control * Adjustable headband * Driver: 40mm * Nominal Impedance: 32 ohms * Built-in rechargeable lithium ion battery * Battery life: up to 8 hours * Wireless range: 33" * Includes 3.5mm audio cable, USB cable and carry pouch