TecSox Pulse411 Black Earbuds offer robust sound with Bluetooth connectivity, 30-hour playtime, deep bass, IPX water resistance,making them suitable for any lifestyle. USP Up to 30 hours playtime : all-day listening with earbuds + charging case Immersive audio : 10mm dynamic bass drivers deliver deep, powerful sound Seamless compatibility : works with iPhone, Android, Siri, and Alexa Water-resistant : IPX4 protection for workouts and outdoor use Stable connectivity : Bluetooth 5.3 ensures ultra-stable pairing and streaming Fast Type-C charging : modern, quick, and efficient power-up Durable design : resistant to both water and dust for worry-free usage Voice assistant support : hands-free control with a simple tap Specifications Product: True Wireless Stereo (TWS) Bluetooth Earbuds Drivers: 10mm Dynamic Bass Drivers Playtime: Up to 30 hours (with charging case) Connectivity: Bluetooth 5.3 Compatibility: iPhone, Android, smart assistants (Siri, Alexa) Charging Port: Type-C Resistance: IPX4 water-resistant + dust protection Features: Voice Assistant activation, stable calls, immersive bass sound Use Cases: Music, calls, workouts, travel, outdoor activities