Philips TAUH202BK. Product type: Headset, Wearing style: Head-band, Recommended usage: Calls & Music. Bluetooth profiles: A2DP,AVRCP,HFP,HSP, Wireless range: 10 m. Ear coupling: Supraaural, Headphone frequency: 20 - 20000 Hz, Impedance: 32 ?. Microphone type: Built-in. Battery technology: Lithium Polymer (LiPo), Battery life (max): 15 h, Talk time: 10 h