Wi Digital SEBD10 Wi Sure-Ears Professional Noise-Isolating In-Ear Monitors Optimized for Bass Drums and Keyboards - Polished Silver Brass Ultra-Comfortable, Universal Secure-Fit! - Designed to look, feel and fit like no other In-Ear monitors, the feather-weight Wi Sure-Ears monitors are incredibly easy to wear even for an extended time. Exclusive Tangle & Kink Resistant Cable - Wi Digital's exclusive tangle and kink resistant cable is designed to resolve itself quickly and easily with a simple and gentle shake. Broad Compatibility- Road-tested by pro musicians, the Wi Sure-Ears Personal Reference Monitors are fully compatible with wireless transmission systems and portable media devices to deliver an unparalleled listening experience. Exclusive Tangle & Kink Resistant Cable - Wi Digital's exclusive tangle and kink resistant cable is designed to resolve itself quickly and easily with a simple and gentle shake. Sweat-Proof - Designed to withstand heavy perspiration, the Wi Micro-In-Ear monitors can be used in all types of weather and environments. Connectivity technology: wireless