Wireless connectivity technology delivers exceptional performance to offer maximum usability Dance to your favorite tracks and never worry about the wires getting in your way with these wireless Bluetooth headset Over-the-head earpiece design ensures maximum comfort and pain, fatigue-free listening Sit comfortably anywhere in your room as the 4310 offers wireless range of up to 298.6 ft Headset offers a dependable audio solution with maximum productivity Noise cancellation enables you to enjoy an exceptional audio experience with maximum usability and reliance Electret Condenser microphone technology enables reliable voice transfer to ensure maximum usability On/Off Switch earpiece control for optimal performance and maximum reliability Memory Foam ear cushion material which enhances the design and general presentation style of headset Your voice will be heard loud and clear with the boom microphone design to ensure maximum Headset usage efficiency