POLY Voyager 5200. Product type: Headset, Wearing style: Ear-hook, Recommended usage: Office/Call center. Connectivity technology: Wireless, USB connector: Micro-USB, Bluetooth profiles: A2DP,AVRCP,HFP,HSP. Ear coupling: Intraaural. Microphone type: Boom. Battery type: Built-in battery, Battery technology: Lithium Polymer (LiPo), Talk time: 7 h