Features:? Richly detailed signature Plantronics audio dual microphones and DSP noise reduction for clear conversations ? Lightweight memory-foam comfort and self-adjusting headband ? Choose up to 18 hours of wireless or unlimited cabled listening ? Automatic music play/pause when headphones are put on/removed ? Up to 100 meters range using Class 1 Bluetooth® device ? OpenMic feature lets you hear your surroundings without removing headphones ? Maintain an active connection with two Bluetooth® devices ? Locate your lost headphones with Plantronics Find MyHeadset ? Convenient fold-flat design and dual-zip storage sleeve|Specifications:Readiness - Up to: 18 hours wireless streaming 21 days standby time 180 days in DeepSleep mode* Noise cancelling - Passive noise blocking digital signal processing (DSP) and dual microphones Audio - aptX® low latency codec AAC codec 32mm dynamic drivers frequency response 20Hz-20kHz Smart sensor technology - Automatically pauses/resumes play sends calls to/from headphones and helps to conserve battery power Multipoint technology - Switch between two simultaneously connected Bluetooth devices (2H2S) Class 1 Bluetooth v4.0 + EDR - A2DP for audio streaming AVRCP for music controls Hands-free v1.6 for wideband and Headset v1.2 Wireless range - 100 meters Spoken alerts in 14 language options. Change the default language online at plantronics.com/au/support/ Status alerts - myheadset/updater Language options: US and UK English Cantonese Japanese Korean Mandarin Norwegian Russian EU-Spanish and Swedish Danish EU-French German Italian |:Cables - Micro-USB charging connection and angled 3.5mm audio cable Charge time (maximum) - Up to 2.5 hours Battery type - Rechargeable non-replaceable lithium-ion Weight - 140 grams Operating + Storage Temp - 0°C - 40°C (32°F - 104°F) Operating distance (range) - Up to 100 meters from phone or tablet with Class 1 Bluetooth Service and support - 2-year limited warranty|