The Nokia Bluetooth Comm Band Pro Mono Convertible Head Band CB-301 is a versatile and functional headset designed for hands-free communication. Offering a comfortable headband form factor with ear-cup style, this headset features Bluetooth wireless technology for easy connectivity. The headset includes a built-in microphone for convenient communication, making it suitable for use with cell phones and other devices. The sleek black design adds a touch of style to the practicality of this Nokia headset.