Product Description ANG A-12 Wireless Earbuds Automatic pairing: you can open the charging case and \u00a0the earbuds will automatically turn on, and pair with each other automatically also. The pairing will automatically show on your phone. There is no need for manual Setup, you will enter your own wonderful world of music. Adopted Qualcomm Chip and superior sound quality: it comes with a Qualcomm chip, it has more advanced wireless stereo chip. It support APTX, AAC, HSP, A 2DP, \u00a0providing the most stable signal connection, superior sound quality and consume lower power. The unique stereo sound provides the perfect sound quality. 7H continuous 50H cyclic playtime: it is a 7 hour playtime from full charge. The 800mAh charging case will be fully charged in two hours. It will provide 7 charge times for the ear buds. Enhanced sound and noise cancellation feature: it supports CVC 8.0 built-in with two microphones in each ear bud and the 6mm dynamic can deliver the high quality sound with superior clarity for both listening and talking. It will eliminate the background sound as much as possible and enhance the voice pickup for flawless communication.