Needibay® Basswave True Wireless Earbuds – 60H Playtime, Hi-Res Audio, HD Noise Reduction Bluetooth Earbuds (Black)The Needibay Basswave is a powerhouse of audio endurance and deep frequency performance. Engineered for those who need their music to last through the longest journeys, these earbuds offer a massive 60 hour total playtime, setting a high bar for battery life in the wireless category. They are Hi Res Audio certified, delivering an expansive soundstage with a particular emphasis on rich, vibrating bass as the "Basswave" name suggests.