Compatibility Works with a wide range of Bluetooth devices, including cellphones, tablets, and laptops. Easy pairing and auto connection Remove two earbuds from the charging box. They will connect to each other automatically, then you simply select the earbuds in your phone's Bluetooth settings to pair. When you open Bluetooth on your device and remove two earbuds or any single earbud from the charging box, they power on and connect automatically. Intuitive controls The earphones support singlepress and doublepress actions to control playback. In addition, you can adjust volume and skip forward or back through tracks, reducing accidental presses and making calls easier. Bluetooth performance Bluetooth 5.0 with True Wireless Stereo (TWS) technology on both earbuds for faster pairing, a stable connection, and reliable signal transmission. Effective range up to 50 feet (about 15 meters) in an open space with no obstacles. Convenience and use scenarios Ideal for everyday music listening and hands calls at home, in the office, or on the go. Use while commuting or exercising for seamless pairing, stable connection, and simple controls. Suitable for travel, meetings, and remote work where quick, reliable wireless audio is important. Charging and box Includes a charging box to power and store the earbuds when not in use. Automatic power on and pairing occur when removing from the case.