Features:This earphone adopts bluetooth connection technology, which is more convenient than traditional wired connections. Bluetooth earphones designed specifically for two way radio enthusiasts, freeing up hands and meeting various needs. Can accommodate two devices simultaneously (walkie talkies and another Bluetooth device, such as a phone or tablet).This earphone comes with a powerful built-in battery, so there's no need to worry about outdoor power issues. Equipped with Type-C USB charger, supporting multiple charging methods such as power bank, computer, car charging, etc.Compatible for Baofeng UV5R series UV-82 BF-888S Retevis H-777 RT22 RT21, for Woxun, for Kenwood 2-pin K port radio.Suitable for police, spies, skydivers, amateur enthusiasts, bodyguards, waiters, hospitals, and drivers.Package include:1Set Wireless Bluetooth Earphone