Get rid of all those messy wires with these unique and robust bluetooth headphones.
The bluetooth technology leaves you completely free to move around the classroom with up to a 20 metre range from a PC or laptop.
• Range: Up to 20 metres
• Compatibility: Any Bluetooth 2.0 EDR+ device or Operating System
• Rechargeable Batteries: 3.7V 300mAh Lith-ion
• Battery life: Up to 8 hours
• Easy connectivity.
I have been unable to get two of the four headsets to work. Great shame!