Highlights:- BT 5.3 technology ensures stable and fast connection, higher data transmission rate, low power consumption and low latency.- Adopts large 13mm moving coil unit, the diaphragm is made of graphene and produces very clear, loud and balanced sound.- Equipped with dual diaphragm, HD biaural, provides clear sound even in noisy environments.- After the first pairing, just pull out the earbuds from the charging case, the earbuds will automatically connect to the mobile phone.- Small and lightweight, easy to carry and use.- Voice Assistant- Hold down the left ear for three second to activate the Siri Voice assistant function.- Wireless Charging & Lightning Cable Charging: The charging case of these wireless earbuds support wireless and Lightning cable charging. Enjoy fast charging, to fully charge the rechargeable case only 50min from cable or about 2 hours from wireless.