Features: - Connect to laptops, Bluetooth enabled desk phones, mobile phones, and tablets - connect - up to 2 devices to help you multitask - Multi-function button on the ear for answering calls or end calls - Integrated busy light on both ear cups activated automatically when on a call - The headset connects with mini USB-to-USB cable to laptop / PC for charging - Big and soft Leatherette ear cushion - Aluminum reinforced joints - Excellent Noise Cancelling Microphone - Wideband audio for exceptional sound quality - Base and Bluetooth dongle (to give Bluetooth capability to non-Bluetooth enabled PC's) are optional and can be purchased separately. Specifications: - Bluetooth 4.2 - 8 hours talk time - Speaker bandwidth music mode: 20Hz - 20kHz - Speaker bandwidth UC mode: 150Hz - 6.8kHz - Microphone frequency range: 150Hz - 6.8kHz - Headset weight: 158g What's in the box 1x Headset 1x Pouch 1x USB-to-mini USB charge cable 1x User manual