【Clip-on Retractable Wireless Earbuds】Control the cable with a button; the cable will not tangle and can be retracted when not in use. The collar clip and flexible pull design will not kink, will not break, and is very convenient. It is convenient to clip under the collar, easy to carry, and no need to worry about losing it.【Fast Charging Wireless Earbuds】99% charge in 20 minutes, only 10 minutes to charge the battery from zero to 50%, and the charging time is less than 20 minutes to fully charge, which is 90% faster than other wireless earbuds. Enjoy fast charging to help you work efficiently.【Upgraded LED Battery Display, Long Standby】This wireless earbuds is equipped with an intelligent LED digital power display to help check the remaining battery power. Only 20 minutes charging time, 20 hours music time, 20 hours talk time, 300 days standby. Meet daily use needs. (Note: Playing time may vary depending on the playback content, playback volume)【Hands-free Call Wireless Earbuds, Noise Cancelling Crystal Sound】This retractable wireless earbuds allows you to put down your phone and free your hands to do other things, but you will not miss any calls. When there is an incoming call, it will remind you of the phone number with voice. This headset has a built-in advanced noise reduction microphone to help eliminate background noise and ensure that others can hear your voice clearly. Let you enjoy high-quality music and clear phone calls anytime, anywhere.【Multiple Applications】Single-ear retractable wireless headset provides clear sound. Comfortable to wear, suitable for car drivers, business people. Compatible with most devices such as smartphones, tablets, Pad, PC