Hi-Fun HFHiEDO-BLKGRE Hi-Edo Bluetooth Headphones for iPhones and Most Mobile Devices - Retail Packaging - Black/Green Designed with a modern and minimalistic style, in addition to its great audio quality and to the handiness of Bluetooth Hi-Edo allows you to have phone calls thanks to the internal microphone and to control all its functions through the buttons on its side Hi range: 60 feet Battery lasts up to 30 hours One size, adjustable dimensions