PRODUCT GRADING Refurbished Pristine > Minor if any signs of use and wear > Refurbished to the highest standards. Refurbished Excellent > Will have very light scratches and light signs of use > Refurbished to the highest standards. Refurbished Good > Visible scratches and signs of use throughout > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX Huawei FreeBuds 3i Wireless Earbuds with Ultimate Active Noise Cancellation PRODUCT DESCRIPTION HUAWEI FreeBuds 3i comes with two outward-facing mics to accurately pick up your voice while avoiding other environmental noises, and a third inward-facing mic receives the voice conducted inside your ears to further enhance call quality. Everything you say is clear regardless of the noises With HUAWEI FreeBuds 3i's highly-sensitive diaphragm carefully tuned to deliver authentic, balanced audio and the 10 mm large dynamic drivers delivering powerful bass, you will feel the brilliance of every note in your ears One single charge offers up to 3.5 hours of listening pleasure, while the charging case delivers 14.5 hours of battery life that will fill your day with musical joy. While the outward-facing mic is detecting ambient noise to actively counter with the anti-noise, the inward-facing mic is picking up the rest noise in your ears for further cancellation. HUAWEI FreeBuds 3i offers a thorough noise-cancelling experience for your immersive enjoyment