Experience powerful sound and sporty convenience with the Yesido TWS21. These true wireless earphones feature advanced ENC noise cancelling, Bluetooth 5.3, and a secure fit for on-the-go performance. Perfect for workouts, calls, and immersive audio. Specifications Model: TWS21 Type: TWS True Wireless Earphones Color: Black/White Bluetooth Version: 5.3 Bluetooth Chip: Jieli AD6983D2 Earphone Battery: 35mAh Charging Case Battery: 320mAh Charging Interface: Type-C Built-in Microphone: Yes Remote Control: Yes Key Features ENC noise cancellation for clearer calls Latest Bluetooth 5.3 for low-latency connection Touch control for music and call handling Sport-friendly fit with extended battery life Fast charging via Type-C interface