Philips TAE4205WT/00. Product type: Headset, Wearing style: In-ear, Recommended usage: Calls/Music. Connectivity technology: Wireless, Bluetooth profiles: A2DP,AVRCP,HFP, Wireless range: 10 m. Ear coupling: Intraaural, Acoustic system: Closed, Headphone frequency: 20 - 20000 Hz. Microphone type: In-line. Battery type: Built-in battery, Battery technology: Lithium-Ion (Li-Ion), Battery life (max): 6 h |