Features
EDIS EC143. Product type: Headset, Wearing style: Head-band, Recommended usage: Office/Call center. Connectivity technology: Wireless, USB connector: Micro-USB, Bluetooth profiles: A2DP,AVRCP,HFP,HSP. Ear coupling: Circumaural, Headphone frequency: 20 - 20000 Hz, Impedance: 32 ?. Microphone type: Boom, Microphone sensitivity: -50 dB, Microphone direction type: Unidirectional. Battery type: Built-in battery, Battery technology: Lithium-Ion (Li-Ion), Battery life (max): 17 h