VoxTube 700 is Bluetooth 3.0 compliant mono Bluetooth headset in unique rectangle-tubing shape which is exactly the size of a USB plug. Simply plug it into any powered USB port can start recharging. It's made with colorful anodized aluminum-alloy. With A2DP feature, it supports not only phone conversation but also music play. It supports pairing to two devices simultaneously for voice prompt and dialing. CVC voice enhancement can well remove surrounding noise and ensure high sound quality. The one-key control design brings users uttermost convenience. With different sizes of ear-buds, you can select the most fit for you.