Panasonic Premium Wireless On-Ear Monitor Style Bluetooth Headphone. Listen wirelessly via Bluetooth and enjoy premium sound from aptX-enabled devices. For quick connect via NFC, simply touch headphones to NFC-enabled smartphone or device. Two premium 40mm drivers deliver natural treble and deep bass. Adjust volume and receive calls with easy touch-keys. Get up to 30 hours per charge with built-in lithium-ion battery Fold-flat design for convenient storage. Nice lightweight wireless bluetooth.