From BAUHN
Make working out more fun and enjoyable by playing your favourite playlist and tracking every workout.Bluetooth: v5.4. Earbud Battery: 40mAh. Case Battery: 400mAh. Play Time: up to 5 Hours - 15 hours total with case at 50% volume. Speaker: 8mm. Water Resistance: IPX5. Choose from Black, Violet or Taupe.