LED Power Display and 50H Playtimes: The bluetooth headphones features a dual LED display that accurately shows the battery level of the charging case and ear buds. Additionally, the S28 earbuds has a 8-hour battery life and thecharging case provides an additional 50 hours of use. | Bass Boosted by 85% : Wireless earbuds with 14.2mm graphene diaphragm for 85% better bass: bluetooth earbuds with dual hybrid ENC microphones that passively cancel 90% of background noise for clearer calls. | Comfortable Fit and IP7 Waterproofing: In-ear headphones ergonomically disperses 45% of pressure for a comfortable fit that adapts to 99% of the ear canal; earbuds wireless bluetooth feature IP7 nano-coating technology to isolate air from damaging humidity on components. | 2024 Bluetooth 5.3 Technology and One-Step Pairing: Wireless headphones utilize the latest version of Bluetooth 5.3 technology, which is 200% more stable than version 5.0, providing a low-latency listening experience and stable calls. After initial connection, remove the in-ear headphones and they will automatically connect to your device. | Sensitive Touch Control and Wide Compatibility: With smart touch control design, you can easily operate it without picking up your phone. Ear buds wireless bluetooth earbuds can be easily paired with a wide range of Bluetooth devices without worrying about compatibility issues. Including iOS/Android, tablets and laptops.