They are true wireless earbuds with active noise cancellation (ANC) and JBL Pure Bass Sound. They have a IPX4 water-resistant design, so they can withstand sweat and light rain. The earbuds have a battery life of up to 10 hours with ANC on, and the charging case can provide an additional 30 hours of battery life. The JBL Tune 230NC True Wireless Headphones also feature 4 microphones for clear calls and voice assistant compatibility.

Here are some of the key features of the JBL Tune 230NC True Wireless Headphones:

• Active noise cancellation
• JBL Pure Bass Sound
• IPX4 water-resistant design
• Up to 40 hours of battery life
• 4 microphones for clear calls
• Voice assistant compatibility

Users mentioned that these earbuds have good sound quality, especially for the price. They also like the comfortable fit and the long battery life. However, some users found that the noise cancellation is not as effective as on some more expensive models.

Overall, the JBL Tune 230NC True Wireless Headphones are a good option for budget-minded users who are looking for a pair of true wireless earbuds with ANC.