Listening to music becomes a real pleasure with the B210 True Wireless headphones in every situation and all walks of life. The earbuds come with a choice of three different sized (S/M/L) ear-fitting pieces. This ensures a secure fit, high wearing comfort and optimal sound isolation. The Bluetooth in-ears are also ideally suited for intensive outdoor sports activities, as their spill-proof housing allows them to be used in any weather. At the same time, the completely wireless headphones provide up to 20 hours of endurance, with four LEDs on the charging case indicating the status of the battery. Top features: - Music enjoyment without cable clutter - Completely wireless Earbuds - Comfortable, snug fit - Interchangeable passport pieces in three sizes - Compact charging case - Provides a total of 20h battery life (Earbuds 4h) and LED indication of battery status - Easy to use - Intuitive touch operation or control via voice assistant - IPX4 splash protection - rain and sweat do not affect the B210 - Role-swapping - allows use in the left ear, right ear or both ears.