Sharper Image Sports Fit Wireless Earbuds connect wirelessly via Bluetooth. The buds are perfect for sports, gym, exercises, jogging, and aerobics. It gives a wireless range is 10m to 15m. The noise-cancellation feature removes all the distracting noise from the background. Its microphone allows clear communication during calls. Also, it is equipped with silicon ear cushion material that ensures a secure fit. The headset's battery capacity is 60mAh which lasts up to 3 hours. It produces magnificent and thrumming audio powered by extra bass because of 10mm drivers.