Features: [High Quality Stereo Sound] - Latest Bluetooth 5.2,Advanced codec APTX HD offer superior bass stereo sound with reinforced clarity [Magnetic Connection/Charging] - Built-in Magnets, the earbuds will clasp together when you don’t need them, it can hang safely around your neck. When the charging contactor and the charging slot are in contact, they will automatically fit together under the action of the magnets, then charge for the headphones [Excellent Playtime] - 2 hours charge time for 15 hours playtime in total, the powerful battery allows superior audio performance and hands-free phone conversation without charging in one week, allows you enjoy wonderful music while traveling or exercising.