About this item ?【Open Ear Bluetooth Headphones】It can avoid wearing discomfort caused by in-ear or over-ear headphones, and keep the inside of the ear canal clean and hygienic, It can avoid some dangerous situations from happening as you can also hear the surrounding sound when you use it to listen to music ?【Ultra-low latency & Clear Call】Faster transmission speed and stronger signal. 2 mics with environmental noise reduction technology work together to monitor the sounds around you and instantly produce an opposite signal to reduce background noise, allowing you to hear crystal clear calls like you are communicating face to face with others. Hands free calling during sports anytime and anywhere ?【Comfort Design for Sports】These in ear headphones with fexlible earhooks. Each hook has been developed from soft silicone material that adapts to different sized ears, you will feel comfortable while doing sports and both wireless headsets will secure stay on ears ?【Automatic Pairing & Smart Touch Control】Open ear earbuds adopts hall switch. After first connection, these wireless earphones will connect with your device once you open the charging case, which is faster and more convenient. During using, you can touch either earbud to control the phone ?【Power up with quick charging】With up to 15 hours of battery life, you’ll have enough power for even long trips away. If your headphones are running low on power, a 10 minute quick charging with the Type-C cable will give you up to 60 minutes of play