1、 Battery level LED display: After putting the earplugs into the charging box, the charging box will automatically charge, the charging box has built-in 2200 mAh battery. The battery status of the headset and charging box can be clearly displayed, avoiding the embarrassment of sudden power failure. 2、 Longer battery life: The built-in large-capacity battery can be charged and fully charged immediately, which is suitable for various situations, so you can travel with confidence. The latest Bluetooth 0 technology can provide a stable connection and reduce power consumption. It also supports dual stereo calls, just fully charge the Bluetooth headset, and then they will support you to enjoy 4-5 hours of music or calls. 3、 TWS Hi-Fi stereo: The wireless headset has high-quality speakers and customized high-fidelity audio unit, which makes the bass heavy, the treble is clear, and the stereo and mono effects of the Bluetooth headset are excellent. High-quality speakers with customized high-fidelity sound units will bring you a feast of hearing. 4、 Wear both ears and automatically pair when power on: take out the headset, automatically power on, automatically pair the phone, and then reconnect to the phone; the smart touch control design brings you a lot of convenience. 5、 True wireless headset touch operation: allows you to easily manage music and calls, including play, pause, skip tracks, adjust the volume, answer, hang up or decline.