After Sale Promise: Package includes a Foldable Headphone, USB Dongle,USB charging cable, AUX cable, Gift grade PU Storage box and User Manual. Provide a 30-day return and 12-month warranty, lifetime worry free user support. Quickly respond customer service within 12-24 hours, for any questions while using Comfort and Adjustable: The wireless headphones with mic only weights 8 oz, durable folding and lightweight design for optimized portability. Adjustable headband with thick, comfortable padding. Ergonomically designed over-the-ear memory foam pads are made of durable yet soft, skin-friendly, protein leather (4 inch diameter) all for all-day comfort wearing and use Crystal Clear Meetings: Innovative microphone ambient noise cancellation technology of this wireless headphones for work, allows you to have clear and uninterrupted calls even in noisy environments, all without compromising the quality of your voice. Both the mechanical and electronic design allows the wireless headph