I7s TWS Wireless Earbuds.

Connectivity: They use wireless Bluetooth technology, with some models featuring Bluetooth V4.1 or V5.0+EDR. The effective working range is up to 10 meters in open air. Battery Life: The earbuds offer approximately 4 to 5 hours of playing time on a single charge. The included charging case holds multiple charges for a total listening time of more than 24 hours. Standby time is around 100 hours. Design & Controls: The earbuds are in-ear style and feature touch controls for managing functions. They also include a built-in microphone. Included Accessories: The package typically includes an instruction manual and a charging cable.