Brand new, never used, still in box. 【High Capacity Charging Case】 Power your music, calls and fitness tracking throughout the day with up to 4.5 hours battery life, and standby time up to 120 hours.The charging case with built-in 3000 mAh battery,it could recharge the earbuds 18-20 {url removed} can be charged once the earbuds is put in the charging case. You can also use the charging case as a power bank to charge your smartphone. 【Premium Sound Quality】The earbuds equipped with bigger dynamic driver than alternatives and bluetooth 5.0 signal channel, combined with Pioneering active noise cancelling chipset, deliver jaw-dropping clarity with rich well balanced bass. 【Newest Bluetooth 5.0 Techonology】 True wireless headphones deliver latest version Bluetooth 5.0 which provided ultra-stable connection ,faster paring and universal compatibility. 【IPX7 WATER Resist】 It offers IPX7 waterproof level which could resist sweat and rain no matter workouts in the sun or in the rain.