Philips TAUH202WT/00. Product type: Headset, Microphone type: Built-in, Wearing style: Head-band. Connectivity technology: Wireless, USB connector: Micro-USB, Bluetooth profiles: A2DP,AVRCP,HFP,HSP. Ear coupling: Supraaural, Headphone frequency: 20 - 20000 Hz, Impedance: 32 ?. Continuous audio playback time: 15 h, Talk time: 10 h, Battery technology: Lithium Polymer (LiPo). Weight: 195 g