● You can listen to music and one-seg audio wirelessly with your mobile phone equipped with Bluetooth. Bluetooth version 5.2 specification. (It is also compatible with the traditional version and can be used with the traditional version of the phone. Long lasting battery specifications. Up to 20 hours of continuous talk, 15 days standby (Measured on iPhone 12 ios14 Docomo line) Equipped with noise and echo canceller, it reduces noise during calls and allows clear calls. The headset itself is IPX4 waterproof and is resistant to rain and sweat. Compatible with Siri (Siri) equipped with the iPhone operating system. Can be charged while standby. Comes with volume button and redial function. AVRCP compatible with remote control functions (play/pause/forward/backward) Automatic power off function to reduce battery consumption. Includes a USB charging cable. Can be used for both right and left ears. Comes with removable ear hook Earbud pads S/M/L size included. This product requires a computer with a USB port or a USB charger to charge this product. Cannot be used underwater. IPX4 Waterproof Performance: No harmful effects from splashing from any direction (eyelash proof).