Bluetooth V5.2 + CVC 8.0: more stable connection, more clear sound and low latency experience for you 42 Hours Total Battery + Rapid Charge - A single charge provides 12 hours playtime and the charging case provides an additional 30 hours charging power IP65 Sweat, Water and Dust Resistant For an extended product life, please wipe off any water droplets before charging your earbuds Dual or Solo Earbud Use - Enable use single earbud usage independently. Personalize what you hear by Mono or Stereo mode Included Components: 3 size ear tips