Bluetooth 5.4 Technology: The ear buds use the Bluetooth 5.4 chipset. There is a faster and more stable signal transmission and has successfully achieved low latency without interruption. Thanks to the Bluetooth 5.4 chip, these true wireless earbuds can automatic pairing & compatible with multiple devices | LED Power Display: The LED display on the charging case shows you the charge level of the case as well as the wireless earphones, so you can precisely control the charge level of your headphones for your convenience on the go. The earbuds have a built-in LED display that clearly shows the remaining battery level (0-100%), say goodbye to low battery | Hi-Fi Stereo Sound: The S58 Bluetooth wireless headphone with 13.4 mm graphene diaphragm delivers powerful bass, clear mids and bright highs, and wireless earbuds with dual hybrid ENC microphones passively eliminates 85% of background noise for clearer calls | Smart Touch Control: These wireless earphones feature highly responsive touch technology, enabling you to effortlessly perform various functions such as play/pause, answer/reject calls, adjust volume, switch tracks, and activate voice assistants | Ergonomic Design: The wireless Bluetooth earbuds is ergonomically designed to fit the inner contours of the ear perfectly. Mini charging case does not take up space to carry, each Bluetooth earbuds weighs only 4 grams, so you won't feel any burden even during extended wear