Clip-on HeadsetFeatured with clips design, drop-free, overcoming discomforts and shortcomings in-ear earphone has, more with low risk of dropping off BT 5.3Equipped with bt 5.3 chip, wireless earphones is more responsive with -85dBm high speed, supporting data transmission in low power, of which response speed is faster and -interference ability is stronger. Immersive Stereo and algorithmBuilt-in Stereo allows you to fully enjoy crystal clear calls and listening experience. Meanwhile, applied with algorithm, effect of noise reduction is dramatic, which has a better noisy filter degree. Whether it is telephone or can play a very good noise reduction effect Ergonomic Design shape of wireless earbuds are designed in ergonomic structure to comfortably fit in with human ears, which is easy to adjust earphones headset to your ear for a high-quality listening experience. Auto PairingEquipped with intelligent dual processing chip, BT headphones can automatically to previously paired devices with virtually no delay, lower latency, lower power consumption and faster audio data transfer. And there is no disparity between primary or secondary earphone. Intelligent Control wireless earphones features with sensitive controls with one tap to earphones for play/pause, , switch song, answer/end calls and voice assistant activation. LED Indicator DisplayThere is a LED intelligent digital display on sports earhooks which makes power state at a glance. Wide CompatibilityWith BT5.3, this wireless earbuds is compatible with sorts of devices, such as phone, PSP, computer and so on. Packing list: 2 x Bluetooth earphones 1 x Charging case 1 x USB cable 1 x instruction manual