The Ninja Dragon BTMAX Bluetooth 5.1 Wireless Earbuds
is equipped with the latest Bluetooth 5.1 technology and an upgraded sound chip that enables it to provide the ultimate 9D sound experience. With its 2200mah charging case, you can enjoy up to 180 hours of usage time. You may use the charging box as your mobile phone charger anytime and anywhere. The charging box comes with 3 levels of battery indicator that provides real-time info of the battery level of each earbud as well as the charging box. A fully charged box will able to charge your earbuds up to 40 times.