MPOW HC5 Wireless Bluetooth 5.0 Headphones With Mic CVC 8.0 Noise Cancelling Office Headset 22 Hours Life Earphones PC/Phone Product Details: Clear Chats:High-end chip works its magic of CVC 8.0 noise -cancelling microphone, making you be heard clearly and naturally through masking disruptive ambient noises. Less distractions, more concentration, and get closer to your customers. Perfect use in busy offices, call center, conference halls, home, etc. Lasting Comfort:Soft memory foam earmuffs with 90rotatable design adapts to wear comfort automatically. Elegantly designed with leather headbeam with soft cushion, and 6-level adjustable headband with brushed metal. Upgraded Bluetooth 5.0:Faster pairing, more stable connectivity, 2 devices paired simultaneously available; Pure sounds with impressive vocal clarity offered by 40mm drivers for both music and calls; Free conversations with volume, calls, and mute easily controlled at a tap of the button. Extended Battery Life:22 hours of uninterrupted talktime or music time (at 70% volume) with a full charge of 1.5-2 hours keeps your business working all day; or you can plug in 3.5mm audio cable included for wired mode to enjoy unlimited playtime. Universal Compatibility:Mpow HC5 Bluetooth headsets are widely compatible with most platforms including Windows 2000/7/8/10/XP/Vista, Mac OS X, iOS, Android, Tablet PC, and more. Enjoy 45-day money back 24-month warranty. Note: HC5 only can connect to 1 device via bluetooth.