The advanced Bluetooth 5.0 technology delivers a stable, low-latency wireless connection for high-quality sound(music or call). Also, the Bluetooth earbuds can connect automatically to the Bluetooth of your mobile phone when you open the charging box, avoiding complicated operations and saving waiting time. The pocket-sized charging case does not take up any space to carry, and you will not have any pressure on wearing the ultra-light ear buds. The ergonomic design provides a comfortable and secure fit that doesn’t protrude from your ears, especially for sports, workouts, gym. With the better functions and the exquisite design, our bluetooth headphones are your better choice for a gift. The playtime lasts for over 4 hours from a single charge and a total of 12 hours with a charging case. F