The Tayogo Retro Bluetooth Phone Headset connects wirelessly to iPhone 4/4S devices via Bluetooth 2.1 technology. It allows for hands-free calling and music playback from a paired device with up to 6 hours of talk time. The headset features noise reduction, volume controls, and a speaker for calls and audio. It has a range of up to 30 feet and automatically reconnects with paired devices. Returns must be made within 30 days for a full refund of the purchase price.