Advanced Active Noise Cancelation: With the advanced ANC technology, these earbuds detect and cancel a maximum 28dB of ambient noise so you can focus on your music. The 10mm dynamic drivers enhance bass and deliver incredible sound. 35-Hour Playtime & USB-C Quick Charge: The earbuds offer 7 hours of music and calls on a single charge with ANC off (4.5 hours with ANC on), while the charging case extends that to 35 hours. USB-C Quick Charge fully charges the charging case in 120 minutes