1、Super Long Endurance: This bluetooth earbuds has a built in li battery with a charging compartment capacity of 350mAh, which has a super long endurance, no need to charge it frequently to enjoy music and calls for a long time. 2、Noise Cancelling Technology: This wireless earbuds is equipped with noise cancellation technology, which can effectively isolate the external noise, so that you can enjoy clear sound quality. 3、Compact Design: This wireless bluetooth earbuds adopts compact design, which is small in size and light in weight, very convenient to carry and use, suitable for sports and daily use. 4、Bluetooth Connection: This wireless noise cancelling earbuds uses Bluetooth 5.4 connection, which makes it very easy to use without being bound by cables and free to move. 5、Wide Application: This bluetooth headset has a wide range of applications, it can be connected to mobile phones, computers, tablets and other bluetooth devices, which can be used to listen to music, watch video screens, hold video conferences and sports, etc. Item Type: Bluetooth Earbuds Material: Plastic Battery Type: Li Battery (Included) Bluetooth Version: Bluetooth 5.4 Bluetooth Range: Approx. 10m / 32.81ft Charging Case Capacity: 350mAh Single Earbud Capacity: 50mAh Charging Time: 1.5h Compatible Devices: Phones, Computers, Tablets and other Bluetooth Devices 2 x Earphones 1 x Charging Case 1 x Charging Cable 1 x Manual