This unique wireless headset open up a new era of BT for its creative ring-necked design and flexibly close call vibrating. Base on BT V2.1 + EDR technology, it can simultaneously connect multiple devices to easily switch calls. It provides Hi-Fi stereo audio earphones enjoy and true freedom for music. And buy this HBS-730 Neck Hung Calls Vibrating Alert Wireless BT Stereo Headphone Headset with Mic - Pink For $18.79.